INGREDIENTS
1
pre-made pie crust (, or homemade)
6
stalks of rhubarb (, diced)
1 6 ounce container
of blackberries, sliced in half
3/4 cup
sugar
2 tbsp
cornstarch
1/2 cup
cold butter (, cut into cubes)
1/2 cup
sugar
1 cup
flour
1/2 cup
walnuts (, chopped)