Strawberry Rhubarb Pie With Ginger Crumb Topping

Ingredients

• 1 cup (4 1/2 ounces) all-purpose flour, plus more for the surface
• 7 tablespoons (3 1/2 ounces) cold unsalted butter, cut into 1/2-inch cubes
• 1/2 teaspoon sugar
• 1/4 teaspoon kosher salt
• 2 tablespoons ice-cold water, more as needed
• 1 1/2 teaspoons cider vinegar
• 2 1/2 cups (4 to 5 large stalks) rhubarb, sliced on the diagonal 1/4-inch thick
• 2 1/2 cups hulled and halved strawberries
• 2/3 cup packed light or dark brown sugar
• 1/3 cup all-purpose flour
• 1 teaspoon ground cinnamon
• 2/3 cup (3 ounces) all-purpose flour
• 5 tablespoons (2 1/2 ounces) unsalted butter, cold, cut into 1/2-inch pieces
• 1/2 cup granulated sugar
• 3 tablespoons packed dark or light brown sugar
• 3/4 teaspoon ground ginger
• 1/8 teaspoon kosher salt