Brown Sugar Crumble

• 1 cup all-purpose flour
• 1/2 cup light brown sugar, packed
• 1/2 cup granulated sugar
• 1 tsp ground cinnamon
• Pinch of kosher salt
• 1/2 cup unsalted butter, melted

Blueberry Sour Cream Coffee Cake

• 1 1/2 cups all-purpose flour
• 1 tsp baking powder
• 1/4 tsp baking soda
• 1/2 tsp kosher salt
• 6 tbsp unsalted butter, room temp
• 3/4 cup granulated sugar
• 1 large egg, room temp
• 1/2 tsp vanilla extract
• Scant 1/4 tsp almond extract (optional)
• 3/4 cup sour cream, room temp

Blueberries

• 2 cups fresh blueberries
• Zest of 1 lemon
• 1 tbsp cornstarch

Lemon Icing (optional)

• 1/2 cup powdered sugar
• 1/2 tbsp milk
• 1/2 tbsp lemon juice