Healthy Baked Oatmeal You Can Make Ahead (REHEATS SO WELL!)
Healthy Baked Oatmeal You Can Make Ahead (REHEATS SO WELL!) is a easy American recipe that serves 6. 250 calories per serving. Recipe by How To Cook Smarter on YouTube.
Prep: 16 min | Cook: 35 min | Total: 1 hr 1 min
Cost: $3.21 total, $0.53 per serving
Ingredients
- 2 Ripe Bananas (Mashed; choose spotty bananas for natural sweetness)
- 2 tablespoons Maple Syrup (Adds a touch of sweetness; can substitute honey)
- 1 Egg (Helps bind and lighten the oatmeal; can use flex egg for vegan version)
- 1 teaspoon Vanilla Extract (Enhances flavor)
- 1 cup Milk (Any milk you have on hand; dairy or plant‑based)
- 2 cups Old‑Fashioned Rolled Oats (Provides soft‑chewy texture; avoid quick‑cooking oats)
- 0.25 cup Oat Flour (Creates a cake‑like crumb)
- 1 teaspoon Cinnamon (Warm spice; optional nutmeg can be added)
- 1 pinch Salt
- 1 teaspoon Baking Powder (Helps the oatmeal rise slightly)
- 1 tablespoon Unsalted Butter (For greasing the pan; can use coconut oil)
- 1 cup Fresh Blueberries (Tossed on top; do not mix into batter)
Instructions
Preheat Oven
Set the oven to 350°F (175°C) and let it preheat while you prepare the batter.
Time: PT5M
Temperature: 350°F
Whisk Wet Ingredients
In a mixing bowl, mash the ripe bananas until smooth, then whisk in maple syrup, the egg, vanilla extract, and milk until fully combined.
Time: PT3M
Combine Dry Ingredients
In a separate bowl, stir together rolled oats, oat flour, cinnamon, pinch of salt, and baking powder.
Time: PT2M
Mix Wet and Dry
Pour the dry mixture into the wet mixture and stir until just combined; the batter will be fairly liquid.
Time: PT2M
Grease Baking Pan
Lightly grease the 18×18‑inch baking pan with the tablespoon of butter, spreading it evenly across the bottom and sides.
Time: PT2M
Add Batter and Top with Blueberries
Pour the batter into the greased pan, spreading it into an even layer. Scatter the fresh blueberries over the top without mixing them in.
Time: PT2M
Bake
Place the pan in the preheated oven and bake for 35‑40 minutes, until the edges are golden brown and the center pulls away from the sides.
Time: PT35M
Temperature: 350°F
Cool and Slice
Remove the pan from the oven and let the baked oatmeal cool in the pan for 10 minutes before slicing into squares.
Time: PT10M
Nutrition Facts
- Calories
- 250
- Protein
- 6 g
- Carbohydrates
- 40 g
- Fat
- 6 g
- Fiber
- 5 g
Dietary info: Vegetarian, Can be made vegan by substituting egg and butter, Gluten‑Free if using certified gluten‑free oats
Allergens: Eggs, Milk, Butter
Last updated: April 15, 2026








