Barefoot Contessa's Blueberry Crumb Cake

• Vegetarian

• Produce

  • 1 cup Blueberries, fresh
  • 1/2 tsp Lemon, zest

• Refrigerated

  • 2 Eggs, large

• Baking & Spices

  • 1 tsp Baking powder
  • 1/4 tsp Baking soda
  • 1/3 cup Brown sugar, light lightly packed
  • 1 tsp Cinnamon, ground
  • 1 Confectioners' sugar
  • 2 1/2 cups Flour
  • 1 cup Granulated sugar
  • 1/2 tsp Kosher salt
  • 1/8 tsp Nutmeg, ground
  • 1 tsp Vanilla extract, pure

• Dairy

  • 1/4 lb Butter, unsalted
  • 6 tbsp Butter, unsalted
  • 2/3 cup Sour cream

Found on food.com