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Easy 4-Ingredient Baked Oatmeal Cups

These Easy 4-Ingredient Baked Oatmeal Cups are the perfect make-ahead breakfast! With a base of oats, egg, milk, and maple syrup, they're endlessly customizable, freezer-friendly, and ready in 30 minutes.
Prep Time5 minutes
Cook Time25 minutes
Total Time30 minutes
Course: Breakfast, Snack
Cuisine: American
Keyword: 4 ingredient recipe, baked oatmeal cups, freezer-friendly meals, healthy breakfast, make-ahead breakfast
Servings: 12 oatmeal cups
Calories: 125kcal
Author: Angela

Equipment

  • 12-Cup Muffin Tin
  • Mixing Bowl
  • Silicone Liners (recommended)

Ingredients

  • 2.5 cups rolled oats (old-fashioned oats)
  • 1 large egg
  • 1.5 cups milk (any kind)
  • 0.25 cup pure maple syrup

Instructions

  • Preheat oven to 350°F. Grease a 12-cup muffin tin. In a bowl, stir all base ingredients until fully combined.
  • Stir in your chosen flavor add-ins. Divide batter evenly among the 12 muffin cups.
  • Bake for 22-27 minutes until tops are set and golden. A toothpick should come out clean.
  • Let cool in pan for 10-15 mins, then transfer to a wire rack to cool completely before storing.

Notes

Pro Tips: For the best texture, use rolled oats (old-fashioned oats), not quick oats. To make multiple flavors from one batch, portion the base batter into small bowls before stirring in different mix-ins. For easy removal every time, use a silicone muffin pan or silicone liners. Let the cups cool completely before storing to prevent condensation. For another delicious and portable breakfast idea, check out our 3-Ingredient Banana Oat Pancakes.