Strawberry Rhubarb Streusel Pie - Lettuce Entertain You

Ingredients

• 1 9-inch pie shell, store bought or homemade
• 2 ¾ cups rhubarb cut into ½ inch slices
• 2 cups strawberries hulled and cut into quarters
• 1 cup granulated sugar
• 2 Tbsp Kraft tapioca
• 1 Tbsp all-purpose flour
• ½ tsp lemon zest
• ½ tsp lemon juice
• ½ tsp ground cinnamon
• 1 tsp vanilla bean paste (or equal amount vanilla extract)
• 2 Tbsp butter, cut into small cubes
• 2 cups old fashioned rolled oats
• ⅔ cup brown sugar
• ⅓ cup granulated sugar
• ½ tsp kosher salt
• 1 ¼ sticks unsalted butter, at room temperature cut into ½ inch cubes