Blueberry Sour Cream Coffee Cake Recipe - Home Recipe Guide

Ingredients

• ¾ cup brown sugar, packed
• 1 teaspoon ground cinnamon
• ½ cup all-purpose flour
• 4 tablespoons cold unsalted butter, cubed
• ½ cup chopped walnuts or pecans
• 2 cups all-purpose flour
• 1 teaspoon baking powder
• ½ teaspoon baking soda
• ½ teaspoon salt
• ½ cup unsalted butter, softened
• 1 cup granulated sugar
• 2 large eggs
• 1 teaspoon vanilla extract
• 1 cup full-fat sour cream
• 1 cups ½ fresh or frozen blueberries
• ½ cup powdered sugar
• 1 tablespoons 1–2 milk or lemon juice
• ½ teaspoon vanilla extract