Baked Oatmeal Cups

Featured in: Warm Rustic Bake & Roast Recipes

These baked oatmeal cups combine rolled oats, warm spices, and moist ingredients to create soft, chewy bites perfect for busy mornings. Easily customized with berries, nuts, or chocolate chips, they offer wholesome convenience. Prepare the batter quickly, bake until golden, and enjoy portable, nourishing snacks or breakfast options that store well refrigerated or frozen.

Updated on Tue, 23 Dec 2025 14:59:00 GMT
Golden-brown Baked Oatmeal Cups, each studded with berries, ready for a grab-and-go breakfast. Save
Golden-brown Baked Oatmeal Cups, each studded with berries, ready for a grab-and-go breakfast. | rusticmint.com

Last winter, I was running late for work and grabbed a still-frozen breakfast bar from the freezer, which crumbled into sad crumbs all over my scarf. That afternoon, I decided I needed breakfast that could actually survive my morning chaos, something wholesome that I could bake ahead and actually look forward to eating. These oatmeal cups became my savior, and now my freezer is never without them.

My sister visited last month and ate three in one sitting, then demanded the recipe before she even finished her coffee. She said they reminded her of the oatmeal my grandmother used to make, but in a way that fits modern life, where breakfast needs to travel well and taste good at room temperature.

Ingredients

  • Old-fashioned rolled oats: These give you that perfect chewy texture—quick oats turn too soft and steel-cut stay too gritty, so stick with the classic rolled variety
  • Light brown sugar: The molasses adds a warm caramel depth that white sugar just cannot replicate, and it keeps the centers incredibly moist
  • Baking powder: This is what gives the cups their slight rise and fluffy texture instead of dense, heavy hockey pucks
  • Ground cinnamon: The comforting backbone that makes everything taste cozy, though I have been known to add extra when no one is watching
  • Salt: Just enough to make all the flavors pop and keep things from tasting flat or overly sweet
  • Large eggs: The protein structure that holds everything together while keeping the texture tender rather than tough
  • Milk: Use whatever you have in the fridge because the recipe works beautifully with dairy milk or any unsweetened plant-based alternative
  • Unsweetened applesauce: My secret weapon for keeping these moist without needing extra oil or sugar, and you cannot even taste it in the finished product
  • Melted coconut oil or butter: Adds richness and helps the edges get slightly crisp while staying soft in the middle
  • Pure vanilla extract: Always use the real stuff because artificial vanilla can leave a weird aftertaste in simple recipes
  • Optional mix-ins: Keep total add-ins to one cup or the batter will not hold together properly, but choose whatever makes you happy

Instructions

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Get your oven ready:
Preheat to 350°F and prepare your muffin tin with liners or spray, because nothing is worse than having batter ready and realizing you cannot bake it
Whisk the dry ingredients:
Combine oats, brown sugar, baking powder, cinnamon, and salt in a large bowl, breaking up any clumps of brown sugar with your fingers
Combine the wet ingredients:
Whisk eggs, milk, applesauce, melted oil or butter, and vanilla in a separate bowl until completely smooth
Bring it all together:
Pour the wet mixture into the dry ingredients and stir until just combined, being careful not to overmix which can make the texture tough
Add your personality:
Gently fold in whatever mix-ins you chose, distributing them evenly throughout the batter
Fill the cups:
Divide batter among the muffin cups, filling each nearly to the top because they will not rise much during baking
Bake until golden:
Bake for 23 to 27 minutes until tops are golden and set, with no jiggly centers
Rest before removing:
Cool in the pan for 5 minutes so they set, then transfer to a wire rack to cool completely
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Steaming Baked Oatmeal Cups, smelling of warm cinnamon, perfectly portioned for easy meal prepping. Save
Steaming Baked Oatmeal Cups, smelling of warm cinnamon, perfectly portioned for easy meal prepping. | rusticmint.com

My roommate started stealing these for her commute, so now I double the batch and hide half in the back of the freezer. They have become our go-to for busy mornings, late-night snacks, and even unexpected guests who need something homemade but fast.

Make Them Your Own

The beauty of these cups is how easily they adapt to whatever you have on hand or whatever mood you are in. I have made them with peanut butter stirred in, with shredded carrots and raisins like carrot cake, and even with pumpkin puree in the fall.

Meal Prep Magic

Spend one hour on Sunday baking a double batch and you have breakfast sorted for the entire week. They thaw overnight in the fridge or can be zapped in the microwave for 30 seconds straight from frozen.

Serving Suggestions

These are perfect on their own, but sometimes I spread them with a little peanut butter or almond butter for extra protein. They also pair beautifully with yogurt for a more substantial breakfast.

  • Try crumbling one over Greek yogurt with fresh berries for a breakfast parfait
  • Warm one up and top with a pat of butter for a cozy treat
  • Pack two in your lunchbox for a midday energy boost
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Deliciously moist Baked Oatmeal Cups, with optional chocolate chips, a nutritious and tasty breakfast treat. Save
Deliciously moist Baked Oatmeal Cups, with optional chocolate chips, a nutritious and tasty breakfast treat. | rusticmint.com

Hope these become part of your morning routine too.

Common Questions

Can I make these oatmeal cups vegan?

Yes, substitute eggs with flax eggs (2 tbsp ground flaxseed mixed with 5 tbsp water) and use plant-based milk and oil to keep the texture moist and tender.

What mix-ins work best for these cups?

Fresh or frozen berries, mini chocolate chips, chopped nuts like walnuts or pecans, and dried fruits such as raisins or cranberries add flavor and texture.

How long do the oatmeal cups last?

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

Can I prepare these ahead of time?

Yes, the batter can be made quickly and baked when ready. The cups are excellent for meal prep and portable use throughout the week.

Are these cups gluten-free?

Use certified gluten-free rolled oats to ensure the cups are gluten-free, suitable for those with gluten sensitivities.

What equipment is needed to bake these cups?

A muffin tin (12-cup), mixing bowls, whisk, and paper liners or nonstick spray are required for easy preparation and baking.

Baked Oatmeal Cups

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

Prep Duration
10 minutes
Time to Cook
25 minutes
All Steps Time
35 minutes
Created by Benjamin Thomas


Skill Level Easy

Tradition American

Makes 12 Portions

Nutrition Info Vegetarian-Friendly

What You'll Need

Dry Ingredients

01 2 cups old-fashioned rolled oats (certified gluten-free if required)
02 1/2 cup lightly packed light brown sugar
03 1 teaspoon baking powder
04 1/2 teaspoon ground cinnamon
05 1/4 teaspoon salt

Wet Ingredients

01 2 large eggs
02 1 1/4 cups milk (dairy or unsweetened plant-based)
03 1/4 cup unsweetened applesauce
04 1/4 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), or raisins/dried cranberries

Method

Step 01

Preheat Oven and Prepare Tin: Preheat the oven to 350°F. Line a 12-cup muffin tin with paper liners or grease with nonstick spray.

Step 02

Combine Dry Ingredients: In a large bowl, whisk together the 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

Combine Wet and Dry Mixtures: Pour the wet ingredients into the dry ingredients and stir gently until fully incorporated.

Step 05

Add Optional Mix-Ins: Fold in any desired mix-ins, ensuring they are evenly distributed throughout the batter.

Step 06

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

Step 07

Bake: Bake for 23 to 27 minutes, or until the tops are golden and the center is set.

Step 08

Cool: Allow muffins 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 Notes

Look over every ingredient for allergens, and reach out to your doctor if you're unsure.
  • Contains eggs; substitute with flax eggs for vegan version.
  • May contain nuts if added as mix-ins.
  • Contains dairy if made with regular milk or butter; use plant-based alternatives for dairy-free.
  • Oats may contain gluten; use certified gluten-free oats if required.

Nutrition Breakdown (each portion)

Provided as a general guide by Rustic Mint—always speak with your doctor for dietary help.
  • Energy (Kcal): 135
  • Lipids: 5 g
  • Carbohydrates: 19 g
  • Proteins: 3 g