Ingredients

• 3 cups diced rhubarb
• 1.25 cups white sugar
• 2 tablespoons all-purpose flour
• 1 large egg
• 0.5 teaspoons ground cinnamon
• 1.5 cups all-purpose flour
• 1 cup packed light brown sugar
• 1 cup quick-cooking oats
• 0.5 teaspoons ground cinnamon
• 1 cup butter

Instructions

1. 1 Gather all ingredients. Preheat the oven to 375 degrees F (190 degrees C). Lightly grease a 9x13-inch baking dish.
2. 2 Combine rhubarb, white sugar, 2 tablespoons flour, egg, and 1/2 teaspoon cinnamon together in a large bowl until evenly coated.
3. 3 Spread rhubarb mixture into the prepared baking dish.
4. 4 Mix 1 ½ cups flour, brown sugar, oats, and 1/2 teaspoon cinnamon together in a separate bowl. Cut in butter using a pastry cutter or two forks until topping is crumbly. Sprinkle topping over rhubarb layer.
5. 5 Bake in the preheated oven until hot and bubbling, about 40 minutes.
6. 6 Serve hot or cold.

Nutrition per serving