Baked Oatmeal Bars

Featured in: Sweet Spots

These wholesome banana baked oatmeal bars combine simple ingredients like rolled oats, ripe bananas, and pure maple syrup into soft, chewy bars perfect for meal prep. Ready in just 25 minutes with only 5 minutes of active preparation, they're ideal for busy weekday mornings or after-school snacks. The naturally sweet base pairs beautifully with chocolate chips, nuts, dried fruit, or seeds, while the texture remains perfectly moist thanks to mashed banana. These bars freeze exceptionally well for up to 3 months, making them excellent for batch cooking and advance preparation.

Updated on Sat, 07 Feb 2026 13:50:00 GMT
Golden-brown baked oatmeal bars studded with chocolate chips on a white plate, ready to eat. Save
Golden-brown baked oatmeal bars studded with chocolate chips on a white plate, ready to eat. | tastychuck.com

Last winter during that week where everything felt gray and endless, I found three overripe bananas staring back from the counter. Too tired for anything elaborate, I threw them into a bowl with oats and whatever else I could grab. The smell that filled my kitchen was pure comfort—like being wrapped in a warm blanket on a cold morning.

My sister called me mid-bake that first time, suspicious about the lack of flour and butter. When I pulled them from the oven, she took that first tentative bite and her eyes widened. Now she texts me every Sunday asking if I have a batch ready, and I have started doubling the recipe just to keep up.

Ingredients

  • 2 cups rolled oats: Old-fashioned oats give the best texture here, holding onto moisture while staying slightly chewy
  • 1/2 tsp salt: Enhances the natural sweetness and keeps flavors from tasting flat
  • 1 1/3 cups mashed ripe banana: About three medium bananas with plenty of brown spots—they should mash easily with a fork
  • 6 tbsp water: Creates steam in the oven for that soft, tender texture we love
  • 3 tbsp pure maple syrup: Use honey, agave, or your preferred sweetener adjusting to taste
  • 3 tbsp oil or nut butter: Coconut oil adds subtle richness while nut butter brings protein and depth
  • 1 tsp pure vanilla extract: Pure vanilla makes everything taste like a treat worth savoring
  • Optional mix-ins: Chocolate chips, chopped nuts, dried fruit, or seeds up to 1/3 cup total

Instructions

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Preheat and prepare your pan:
Heat your oven to 350°F and line an 8-inch square baking pan with parchment paper, letting the edges hang over for easy removal later.
Mix the dry base:
In a large bowl, combine the rolled oats and salt, stirring briefly to distribute everything evenly.
Add the wet ingredients:
Pour in the mashed banana, water, sweetener, oil or nut butter, and vanilla. Stir until everything is thoroughly combined and the oats are evenly coated.
Fold in your favorites:
Gently fold in whatever mix-ins speak to you today, being careful not to overmix which can make the bars tough.
Spread and bake:
Transfer the mixture to your prepared pan and smooth the top with a spatula. Bake for exactly 20 minutes, then turn off the oven without opening the door.
Let them set:
Leave the bars inside the closed oven for 5 additional minutes. This resting period helps them firm up perfectly without drying out.
Cool completely:
Remove from the oven and let cool completely in the pan before slicing into 6 to 9 bars.
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Soft and chewy Baked Oatmeal Bars made with banana and maple syrup, sliced and served. Save
Soft and chewy Baked Oatmeal Bars made with banana and maple syrup, sliced and served. | tastychuck.com

These became my go-to when my daughter started kindergarten and mornings turned into a sprint. One day she grabbed one on her way out, came home beaming, and said her teacher asked for the recipe. Now we make them together every Sunday, a small ritual that somehow makes Monday feel less daunting.

Making Them Your Own

The beauty of these bars lies in their flexibility. I have swapped bananas for applesauce in fall and pumpkin purée when November hits. Each variation brings its own personality while keeping that comforting chewy texture we love.

Storage Solutions

Keep them in the refrigerator for up to four days, though in my house they rarely last past day two. For longer storage, wrap individual bars in parchment and freeze them for up to three months. They thaw beautifully overnight in the fridge or can be microwaved for 30 seconds straight from frozen.

Serving Suggestions

Warm from the oven with melting chocolate is my favorite way to serve them. My husband spreads his with peanut butter while my daughter prefers hers crumbled over yogurt. They are equally satisfying cold, making them perfect for packing in lunchboxes.

  • Try a drizzle of almond butter on top for extra protein
  • Crumble over oatmeal or Greek yogurt for a breakfast bowl
  • Serve with fresh berries and a dollop of coconut whipped cream
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Healthy banana baked oatmeal bars stacked on a marble countertop, perfect for breakfast meal prep. Save
Healthy banana baked oatmeal bars stacked on a marble countertop, perfect for breakfast meal prep. | tastychuck.com

There is something deeply satisfying about turning spotted bananas and pantry staples into something that feels like a treat. These bars have saved more rushed mornings than I can count.

Recipe Guide

Can I make these bars without banana?

Yes, you can substitute unsweetened applesauce or pumpkin purée in equal amounts for the mashed banana. Both alternatives maintain moisture and binding properties while creating slightly different flavor profiles.

How do I store these oatmeal bars?

Store cooled bars in an airtight container in the refrigerator for up to 4 days. For longer storage, wrap individually and freeze for up to 3 months. Thaw overnight in the refrigerator or warm briefly in the microwave.

What makes these bars chewy versus crispy?

The mashed banana creates natural softness and chewiness. Using oil instead of additional water yields a more tender texture. The final 5-minute resting period in the turned-off oven helps set the bars while maintaining their soft, chewy consistency.

Can I add protein powder to these bars?

Absolutely. Add one scoop of protein powder to the wet ingredients and reduce the rolled oats by approximately 1/4 cup to maintain proper consistency. Vanilla or unflavored protein powder works best without altering the classic flavor.

Are these suitable for meal prep?

These bars are excellent for meal prep. Make a double batch on Sunday, slice, and store in the refrigerator or freezer. They're perfect for grab-and-go breakfasts throughout the week and can be enjoyed cold or briefly warmed.

What mix-ins work best?

Chocolate chips, chopped walnuts, pecans, almonds, dried cranberries, raisins, or sunflower seeds all complement the banana base beautifully. Feel free to combine multiple mix-ins for added texture and flavor variety.

Baked Oatmeal Bars

Wholesome banana oatmeal bars, soft and chewy. Perfect grab-and-go breakfast or healthy snack.

Prep duration
5 min
Heat time
20 min
Full duration
25 min
Created by Chuck Harrison

Style Sweet Spots

Skill level Easy

Heritage American

Output 7 Portions

Nutrition Labels Meat-free, No dairy, No gluten

What you'll need

Dry Ingredients

01 2 cups rolled oats
02 1/2 tsp salt

Wet Ingredients

01 1 1/3 cups mashed ripe banana (about 3 medium bananas)
02 6 tbsp water
03 3 tbsp pure maple syrup, agave, or honey, or stevia equivalent
04 3 tbsp oil (such as coconut, vegetable), nut butter, or additional water
05 1 tsp pure vanilla extract

Optional Mix-Ins

01 1/3 cup chocolate chips, chopped nuts, dried fruit, or seeds

Method

Phase 01

Preheat and Prepare Pan: Preheat oven to 350°F. Line an 8-inch square baking pan with parchment paper or grease thoroughly.

Phase 02

Combine Dry Ingredients: In a large mixing bowl, combine rolled oats and salt.

Phase 03

Mix Wet Ingredients: Add mashed banana, water, maple syrup (or alternative sweetener), oil (or nut butter or extra water), and vanilla extract. Stir until evenly combined.

Phase 04

Add Mix-Ins: Fold in optional mix-ins such as chocolate chips or nuts if desired.

Phase 05

Transfer to Pan: Pour mixture into prepared baking pan. Use spatula to smooth top surface. Sprinkle additional chocolate chips or nuts on top if desired.

Phase 06

Bake: Bake for 20 minutes. Turn off oven and let bars sit inside closed oven for additional 5 minutes to set.

Phase 07

Cool and Slice: Remove from oven and allow to cool completely. Slice into 6-9 bars.

Kitchen tools

  • 8-inch square baking pan
  • Large mixing bowl
  • Spatula or mixing spoon
  • Measuring cups and spoons
  • Parchment paper

Allergy alerts

Always review ingredients for potential allergens and seek professional medical guidance if unsure
  • Contains oats (verify gluten-free certification if required).
  • May contain nuts if nut butter or nuts are used as ingredients.
  • Honey is not vegan; use maple syrup or agave for vegan preparation.

Nutrition breakdown (per portion)

Values shown are estimates only - consult healthcare providers for specific advice
  • Energy: 125
  • Fats: 3.5 g
  • Carbohydrates: 23 g
  • Proteins: 2.5 g