Blackberry Cobbler with Frozen Blackberries - PantryLink Recipes

Ingredients

• cooking spray
• 1 package frozen blackberries , 16 ounce
• 2 tablespoons white sugar
• 1 teaspoon freshly squeezed lemon juice
• 0.25 teaspoons vanilla extract
• 1 cup all-purpose flour
• 1 cup white sugar
• 1 large egg
• 5 tablespoons butter , melted
• frozen whipped topping , thawed