Ingredients

  • 2 ½ cups fresh or frozen (thawed) blueberries
  • ½ lemon, juiced
  • 1 teaspoon vanilla extract
  • 1 cup white sugar, or to taste
  • ½ teaspoon all-purpose flour
  • 1 tablespoon butter, melted
  • 1 ¾ cups all-purpose flour
  • 4 teaspoons baking powder
  • 6 tablespoons white sugar
  • 5 tablespoons butter
  • 1 cup milk
  • 2 teaspoons sugar
  • 1 pinch ground cinnamon

Directions

  • Lightly grease an 8-inch square baking dish. Place blueberries into the baking dish and mix with lemon juice and vanilla. Sprinkle with 1 cup sugar and 1/2 teaspoon flour, then stir in 1 tablespoon melted butter. Set aside.
  • Stir 1 ¾ cups flour, baking powder, and 6 tablespoons sugar together in a medium bowl. Cut in 5 tablespoons butter with a pastry blender until mixture resembles coarse crumbs. Make a well in the center, pour in milk, and stir quickly until just moistened; you should have a very thick batter or a very wet dough. Add a splash more milk if needed. Cover and let rest for 10 minutes.
  • Meanwhile, preheat the oven to 375 degrees F (190 degrees C).
  • Spoon rested batter over blueberries, leaving only a few small holes for the berries to peek through. Mix 2 teaspoons sugar and cinnamon together in a small bowl; sprinkle over the batter.
  • Bake in the preheated oven until golden brown on top and a knife inserted into the topping comes out clean, about 25 minutes to 35 minutes. Let cool until just warm before serving.

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