5 cups (500g) chopped rhubarb
1 cup (250g) chopped peach
1.5 cups (300g) white sugar, or to taste
0.25 cup (30g) all-purpose flour
1 cup (200g) brown sugar
1 cup (100g) quick oats
1.5 cups (180g) all-purpose flour
0.75 cup (170g) butter
Step 1
Preheat the oven to 190°C (375°F). Lightly grease a 9x13-inch baking dish.
Step 2
In a large bowl, combine rhubarb, peach, white sugar, and 1/4 cup of flour. Pour the mixture into the prepared baking dish and spread it into an even layer.
Step 3
In a separate bowl, mix brown sugar, quick oats, and 1 ½ cups of flour. Cut the butter into the mixture until it resembles coarse crumbs. Sprinkle the mixture evenly over the rhubarb and peach layer.
Step 4
Bake in the preheated oven for about 45 minutes, or until the top is golden brown.