Strawberry-Rhubarb Crumble Bars Recipe

Ingredients

• 3 cups (420 g) all-purpose flour
• 1 cup (200 g) white granulated sugar
• 1 teaspoon baking powder
• 1/2 teaspoon ground cinnamon
• 1/4 teaspoon kosher salt
• 1 cup (225 g or 2 sticks) unsalted butter, cold
• 1 large egg
• 2 cups (250 g) diced 1/4-inch chunks) rhubarb (2 to 3 thick stalks or 5 to 6 thin stalks or a little over 1/2 pounds)
• 2 cups (310 g) diced (1/4-inch chunks) strawberries (3/4 pounds)
• 3 tablespoons white granulated sugar
• 1 tablespoon cornstarch
• 1 tablespoon lemon juice