Blueberry Breakfast Cake (Big, Soft & Cozy)

Why You’ll Love It

This isn’t a dessert cake pretending to be breakfast.
It’s lightly sweet, tender like a coffee cake, packed with blueberries, and great warm or cold. Perfect for mornings, brunch, or snack time.

Ingredients

Cake Batter

  • 2 cups all-purpose flour
  • ¾ cup sugar (white or light brown)
  • 2 teaspoons baking powder
  • ½ teaspoon baking soda
  • ½ teaspoon salt
  • 2 large eggs
  • ½ cup vegetable oil or melted butter
  • ¾ cup milk or buttermilk
  • 1 teaspoon vanilla extract
  • Zest of 1 lemon (optional but amazing)
  • 1½ to 2 cups blueberries (fresh or frozen)

Crumb Topping (Highly Recommended)

  • ½ cup all-purpose flour
  • ⅓ cup sugar
  • ¼ cup cold butter, cubed
  • ½ teaspoon cinnamon
  • Pinch of salt

Instructions

1. Prep

  • Preheat oven to 175°C / 350°F
  • Grease and line a 9×9 inch (23 cm) pan or similar

2. Make the Crumb Topping

  • In a bowl, mix flour, sugar, cinnamon, and salt
  • Rub in cold butter with fingers until crumbly
  • Set aside in the fridge

3. Mix Dry Ingredients

  • In a large bowl whisk:
  • Flour
  • Sugar
  • Baking powder
  • Baking soda
  • Salt

4. Mix Wet Ingredients

  • In another bowl whisk:
  • Eggs
  • Oil or butter
  • Milk
  • Vanilla
  • Lemon zest

5. Combine

  • Add wet ingredients to dry
  • Mix gently until just combined
  • Do not overmix

6. Add Blueberries

  • Toss blueberries with 1 tablespoon flour
  • Fold gently into batter

7. Assemble

  • Pour batter into pan
  • Smooth the top
  • Sprinkle crumb topping evenly

8. Bake

  • Bake 40–50 minutes
  • Toothpick should come out clean (a few moist crumbs OK)
  • Let cool 15–20 minutes before slicing

Tips for Success

  • Frozen blueberries: do NOT thaw
  • Want extra moisture? Replace milk with yogurt
  • Less sweet? Reduce sugar to ½ cup
  • More indulgent? Drizzle with lemon glaze

Optional Lemon Glaze

  • ½ cup powdered sugar
  • 1–2 tablespoons lemon juice
    Drizzle after cooling

Serving Ideas

  • With coffee or tea
  • Warm with a little butter
  • Yogurt on the side for a full breakfast
  • Great for meal prep (keeps 3 days)

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