Peach-Blueberry Crumble

Ingredients

• 1-1/2 lbs. Peaches, cut into 1/2-inch-thick wedges
• 1 pint blueberries
• 1 cup packed light brown sugar
• 1 tsp grated lemon zest
• 2 tbsp fresh lemon juice
• 1/8 tsp allspice
• 1/2 cup all-purpose flour
• 1/3 cup old-fashioned rolled oats
• 3 tbsp unsalted butter, cut into small pieces
• 2 tbsp reduced-fat sour cream