Berry Streusel Coffee Cake

Ingredients (14)

• Cake:
• 2 cups all-purpose flour
• 3 teaspoons baking powder
• 1 cup light brown sugar
• 1 stick butter
• 2 eggs
• 2 (6-oz) containers, berry yogurt
• 2 teaspoons pure vanilla extract
• 1 cup sliced strawberries
• 1/2 cup blueberries
• Streusel:
• 2 tablespoons cold butter
• 1/2 cup oats
• 3 tablespoons light brown sugar