Baked Oatmeal Cups

Featured in: Baking & Sweet Creations

These baked oatmeal cups combine rolled oats, brown sugar, cinnamon, and eggs to create a soft, chewy texture that's perfect for convenient breakfasts or snacks. Customize with your favorite mix-ins like berries, nuts, or chocolate chips to suit your taste. The preparation is straightforward, requiring only mixing and baking in a muffin tin. Ideal for meal prep, they store well refrigerated or frozen, making them a versatile choice for busy mornings.

Updated on Wed, 24 Dec 2025 12:18:00 GMT
Golden-brown Baked Oatmeal Cups, each studded with berries, ready for a delicious breakfast. Pin it
Golden-brown Baked Oatmeal Cups, each studded with berries, ready for a delicious breakfast. | soupbuffer.com

I discovered these baked oatmeal cups while scrolling through my phone at midnight, watching someone show off a perfectly golden muffin that somehow managed to be both wholesome and indulgent. The next morning, I found myself standing in my kitchen with rolled oats and a muffin tin, determined to figure out if this TikTok thing was actually worth the hype. Turns out, it was—but not for the reasons I expected. These cups aren't just convenient; they taste like someone genuinely cared about making your breakfast delicious, not just efficient.

I brought a batch to my neighbor who'd just had a baby, expecting polite thanks and maybe a slight frown at oatmeal. Instead, she texted me three days later asking for the recipe because her partner had eaten five in one sitting. There's something about a warm oatmeal cup in your hand that makes mornings feel less rushed and more intentional.

Ingredients

  • Old-fashioned rolled oats: Use certified gluten-free if that matters to you—they hold the structure together while staying tender, not mushy.
  • Light brown sugar: It melts into the batter and keeps these soft; regular sugar works but won't give you that same chewy texture.
  • Baking powder: This lifts the cups just enough so they're not dense little hockey pucks.
  • Ground cinnamon: A quarter teaspoon is subtle—add more if you want it to announce itself.
  • Salt: Don't skip it; it wakes up all the other flavors.
  • Eggs: They bind everything and create a tender crumb, so don't use substitutes unless you're going full vegan.
  • Milk: Dairy or plant-based both work; I use whatever's open in my fridge.
  • Applesauce: Adds moisture and natural sweetness without making these taste like health food.
  • Melted coconut oil or butter: The richness matters—budget margarine will leave you disappointed.
  • Vanilla extract: Pure, not imitation; the difference is real.
  • Mix-ins: This is where you get creative—berries give pops of brightness, chocolate chips make mornings feel like a tiny celebration, and nuts add texture.

Instructions

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Heat your oven and prep the tin:
Set the oven to 350°F and line your muffin tin with paper liners or hit it with nonstick spray. A lined tin makes your life infinitely easier when you want to grab these later.
Combine your dry foundation:
Whisk oats, brown sugar, baking powder, cinnamon, and salt in a large bowl until they're evenly mixed—you want the cinnamon distributed so every bite tastes intentional, not just the center.
Mix your wet ingredients:
In another bowl, whisk eggs, milk, applesauce, melted oil, and vanilla until it's smooth and emulsified. This step matters because lumps won't integrate fully into the batter.
Bring them together:
Pour the wet mixture into the dry and stir until just combined—don't overmix or you'll end up with tough cups instead of tender ones. A few dry streaks are fine; they'll disappear in the oven.
Fold in what makes it yours:
Add your chosen mix-ins, being careful not to crush berries if you're using them fresh. Frozen berries are less fragile and spread their flavor more evenly.
Fill and bake:
Divide the batter evenly among the muffin cups, filling each almost to the top. Bake for 23 to 27 minutes—you're looking for golden tops that feel set when you touch them gently.
Cool with patience:
Let them sit in the pan for 5 minutes so they firm up enough to handle, then transfer to a wire rack. This matters because pulling them out too early risks them falling apart in your hands.
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Cook complete meals by frying, sautéing, simmering, and boiling with easy nonstick cleanup every day.
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Warm, comforting Baked Oatmeal Cups with chocolate chips, perfect for a grab-and-go meal. Pin it
Warm, comforting Baked Oatmeal Cups with chocolate chips, perfect for a grab-and-go meal. | soupbuffer.com

My 6-year-old nephew once asked if these were "fancy oatmeal" because he actually wanted to eat them instead of leaving them in a bowl. That's the moment I realized this recipe had crossed from practical to magic.

Storage and Make-Ahead Strategy

These keep for five days in an airtight container in the fridge, which means you can genuinely make them once and eat them all week. I've also frozen them for up to two months and reheated them in the microwave for 45 seconds—they come out tasting almost fresh-baked. The best part is that unlike oatmeal cooked on the stovetop, these don't get weird or grainy when they sit.

Creative Mix-In Combinations

The magic is in treating these like a canvas instead of a single recipe. I've tried blueberry with lemon zest, apple cinnamon with pecans, chocolate banana with walnuts, and even a wild card attempt with pumpkin purée and nutmeg. Each combination feels completely different, which means these won't get boring even if you make them every single week. The one rule I learned the hard way is not to exceed one cup of mix-ins total—more than that and the batter gets too wet.

Customizing for Diets and Preferences

These are naturally vegetarian, and swapping to a vegan version is straightforward: use flax eggs (mix 2 tablespoons ground flaxseed with 5 tablespoons water and let it sit for 5 minutes), plant-based milk, and coconut oil. For gluten-free, just use certified gluten-free oats and double-check your baking powder. I've also made them dairy-free for friends and honestly couldn't taste the difference. The flexibility here is real, and nothing gets sacrificed in the translation.

  • For vegan versions, flax eggs work better than commercial egg replacers, which can leave a slightly gummy texture.
  • Certified gluten-free oats cost more but make all the difference in texture if you're actually avoiding gluten.
  • Store different versions separately if you're making multiple batches—cross-contamination matters for allergen concerns.
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Freshly baked and cooling, these easy Baked Oatmeal Cups are ideal for meal prep. Pin it
Freshly baked and cooling, these easy Baked Oatmeal Cups are ideal for meal prep. | soupbuffer.com

There's something deeply satisfying about opening your fridge and seeing a dozen homemade breakfasts waiting for you, knowing that mornings just got easier. That's what these oatmeal cups give you.

Recipe FAQs

Can I make these gluten-free?

Yes, by using certified gluten-free oats, you can keep the cups gluten-free without sacrificing flavor or texture.

What mix-ins work best?

Fresh or frozen berries, mini chocolate chips, nuts, and dried fruits like cranberries or raisins add great flavor and texture.

How do I store the baked oatmeal cups?

Store in an airtight container in the refrigerator for up to 5 days or freeze for up to 2 months to maintain freshness.

Is there a vegan alternative?

Replace eggs with flax eggs (2 tbsp ground flaxseed mixed with 5 tbsp water) and use plant-based milk and oil to make a vegan version.

Can I add spices for variation?

Yes, spices like nutmeg or cardamom can be added to the dry ingredients to give a unique flavor twist.

What is the ideal baking time?

Bake for 23 to 27 minutes at 350°F (175°C) until the tops are golden and set for perfect texture.

Baked Oatmeal Cups

Soft, chewy oatmeal cups with mix-ins, perfect for wholesome breakfasts or snacks on the go.

Prep Time
10 minutes
Time to Cook
25 minutes
Overall Time
35 minutes
Created by Audrey Taylor


Skill Level Easy

Cuisine Type American

Makes 12 Portions

Diet Preferences Vegetarian

What You'll Need

Dry Ingredients

01 2 cups old-fashioned rolled oats (certified gluten-free if required)
02 ½ cup packed light brown sugar
03 1 teaspoon baking powder
04 ½ teaspoon ground cinnamon
05 ¼ teaspoon salt

Wet Ingredients

01 2 large eggs
02 1¼ cups milk (dairy or unsweetened plant-based)
03 ¼ cup unsweetened applesauce
04 ¼ cup melted coconut oil or unsalted butter
05 1 teaspoon pure vanilla extract

Optional Mix-Ins

01 Up to 1 cup total of fresh or frozen berries, mini chocolate chips, chopped nuts (walnuts, pecans, almonds), raisins or dried cranberries

Steps

Step 01

Prepare Baking Equipment: Preheat oven to 350°F. Line a 12-cup muffin tin with paper liners or coat with nonstick spray.

Step 02

Combine Dry Ingredients: In a large bowl, whisk together oats, brown sugar, baking powder, cinnamon, and salt until evenly mixed.

Step 03

Mix Wet Ingredients: In a separate bowl, whisk eggs, milk, applesauce, melted coconut oil or butter, and vanilla extract until smooth.

Step 04

Integrate Mixtures: Pour wet ingredients into dry ingredients and stir gently until fully combined without overmixing.

Step 05

Add Mix-Ins: Fold in any desired optional mix-ins evenly throughout the batter.

Step 06

Fill Muffin Cups: Divide batter evenly among prepared muffin cups, filling each nearly to the top.

Step 07

Bake Oatmeal Cups: Bake for 23 to 27 minutes until tops are golden and set when lightly touched.

Step 08

Cool and Serve: Allow cups to cool in the pan for 5 minutes before transferring to a wire rack to cool completely.

Tools Needed

  • Mixing bowls
  • Whisk
  • 12-cup muffin tin
  • Measuring cups and spoons
  • Paper muffin liners or nonstick spray

Allergy Info

Review all components for allergens and talk to your health provider if unsure.
  • Contains eggs; substitute with flax eggs for vegan option.
  • May contain nuts if added as mix-ins.
  • Contains dairy if using regular milk or butter; opt for plant-based products for dairy-free.
  • Oats may contain gluten; use certified gluten-free oats when necessary.

Nutrition Details (per portion)

Details are for general guidance. Always seek expert healthcare advice.
  • Energy: 135
  • Fats: 5 g
  • Carbohydrates: 19 g
  • Proteins: 3 g