Ingredients
Equipment
Method
Step-by-Step Instructions
- Preheat your oven to 400°F (200°C) and grease a 9x13 inch baking dish.
- Combine flour, baking powder, salt, and sugar in a mixing bowl.
- Cut in cold butter until it resembles coarse crumbs. Add egg and mix until just combined.
- Press the dough into the prepared baking dish evenly.
- In a saucepan, cook rhubarb with sugar, lemon zest, and juice for 3-4 minutes. Stir in cornstarch and simmer until thickened.
- Mix oats, sugar, and cinnamon in a bowl, then add melted butter and combine.
- Pour the filling over the crust and sprinkle the topping on. Bake for 20-25 minutes until golden brown.
- Cool for 15-20 minutes, then slice and serve.
Nutrition
Notes
Store in an airtight container for up to 5 days. The flavors improve overnight. Freezer-friendly for up to 3 months.
