Crumb Cake - Dinner With Julie

Ingredients

• 1/3 cup butter, softened
• 2 Tbsp canola or other vegetable oil
• 3/4 cup sugar
• 2 large eggs
• 1 tsp vanilla
• 1 1/2 cups all-purpose flour
• 1 tsp baking powder
• 1/2 tsp salt
• 1/2 cup sour cream or plain yogurt
• 2-3 cups fresh or frozen (not thawed) berries, or sliced peaches or plums
• 1/2 cup packed brown sugar
• 1/2 cup flour
• 1/4 cup butter, softened
• 1/4 tsp salt