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Blueberry Baked Oatmeal

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Wake up to warm, soft oats and juicy blueberries. This baked oatmeal is simple, great for meal prep, and tastes like a blueberry muffin for breakfast.

Ingredients

Scale
  • 2 cups old-fashioned rolled oats
  • 1 teaspoon baking powder
  • 1 teaspoon ground cinnamon
  • 1/4 teaspoon fine salt
  • 2 cups milk (dairy or unsweetened almond, oat, or soy)
  • 2 large eggs
  • 1/3 cup pure maple syrup (or honey)
  • 1 teaspoon vanilla extract
  • 2 tablespoons melted butter or coconut oil (plus a little for the pan)
  • 1 1/2 cups blueberries (fresh or frozen; no need to thaw)
  • Optional: 1 teaspoon lemon zest, 1/3 cup chopped nuts or seeds (walnuts, pecans, almonds), extra blueberries for topping

Instructions

  1. Heat oven to 375°F (190°C). Grease an 8-inch or 9-inch square baking dish with butter or oil.
  2. In a large bowl, stir together oats, baking powder, cinnamon, and salt.
  3. In another bowl or large measuring cup, whisk milk, eggs, maple syrup, vanilla, and melted butter or coconut oil.
  4. Scatter half the blueberries in the greased dish. Add the dry oat mixture on top and spread it evenly.
  5. Pour the wet mix over the oats. Tap the dish gently so liquid soaks in. Sprinkle on the rest of the blueberries (and nuts, if using).
  6. Bake for 35–40 minutes, until the center is set and the edges are golden. A toothpick should come out mostly clean.
  7. Cool 10 minutes. Slice and serve warm with milk or yogurt. Drizzle with a little extra maple syrup if you like.

Notes

Use old-fashioned rolled oats for the best texture. Frozen blueberries work well; add 2–3 extra minutes of bake time if needed. Refrigerate for up to 5 days or freeze slices for up to 3 months.

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