Blueberry Crumble Recipe – Tupperware Brand Canada

Ingredients

• 4 cups frozen blueberries
• 1 cup all-purpose flour
• ¼ cup granulated sugar
• 1 tbsp. lemon juice
• 1 stick unsalted butter, melted
• ½ cup brown sugar
• ¾ cup rolled oats
• 1 tsp. vanilla extract