Cherry Plum Slab Pie with Walnut Streusel Recipe: How to Make It

Ingredients

• 1 pound fresh sweet cherries, pitted
• 4 medium red plums, thinly sliced
• 1/2 cup sugar
• 1/4 cup cornstarch
• 2 tablespoons lemon juice
• Dough for double-crust pie
• TOPPING:
• 1/2 cup old-fashioned oats
• 1/2 cup chopped walnuts
• 1/3 cup all-purpose flour
• 1/4 cup sugar
• 1/4 cup packed brown sugar
• 1 teaspoon ground cinnamon
• 1/4 teaspoon salt
• 1/2 cup cold unsalted butter