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Cozy Baked Oatmeal Cups Recipe Easy Apple Cinnamon Walnut Breakfast Cups

baked oatmeal cups - featured image

These cozy baked oatmeal cups combine warm apple cinnamon flavors with toasted walnuts for a wholesome, portable breakfast treat that’s quick and easy to make.

Ingredients

Scale
  • 2 cups (180g) rolled oats (old-fashioned)
  • 1 medium apple, peeled, cored, and diced (about 1 cup)
  • ½ cup (60g) walnuts, chopped and toasted
  • 1 teaspoon ground cinnamon
  • 1 teaspoon baking powder
  • ¼ teaspoon salt
  • 1¼ cups (300 ml) milk (regular, almond, or oat milk)
  • ¼ cup (60 ml) maple syrup
  • 1 large egg, room temperature
  • 1 teaspoon vanilla extract
  • 2 tablespoons (28g) unsalted butter, melted (can substitute coconut oil for dairy-free)

Instructions

  1. Preheat your oven to 375°F (190°C).
  2. In a medium bowl, combine rolled oats, ground cinnamon, baking powder, and salt. Stir well.
  3. Toast the chopped walnuts in a dry skillet over medium heat for about 3 minutes until fragrant. Remove from heat and let cool.
  4. In another bowl, whisk together milk, maple syrup, egg, vanilla extract, and melted butter until smooth.
  5. Pour the wet mixture into the dry oat mixture and stir gently until just combined. Batter will be thick but moist.
  6. Fold in the diced apple and toasted walnuts carefully, distributing evenly.
  7. Grease a 12-cup muffin pan lightly with butter or oil. Spoon the batter into each cup, filling almost to the top but leaving space for rising.
  8. Bake for 25-30 minutes until golden on top and firm to the touch. A toothpick inserted should come out mostly clean with a few moist crumbs.
  9. Let the oatmeal cups cool in the pan for 10 minutes before transferring to a wire rack.
  10. Serve warm or at room temperature. Store leftovers in an airtight container in the fridge for up to 4 days.

Notes

Use old-fashioned rolled oats for best texture; quick oats can make the cups mushy. Toast walnuts to enhance flavor and crunch. Do not overmix batter to keep cups tender. Grease muffin tin well to prevent sticking. For vegan version, replace egg with flax egg and butter with coconut oil. Use firmer apples to avoid sogginess. Can substitute walnuts with pecans, almonds, or seeds for nut-free option.

Nutrition

Keywords: baked oatmeal cups, apple cinnamon oatmeal, walnut breakfast cups, easy breakfast, healthy oatmeal, portable breakfast, gluten-free oatmeal