Easy Peasy Blueberry Pie

2 1/2 cups rolled oats
1 Tbs orange zest
1 1/2 cups whole wheat flour
3/4 cup brown sugar, packed
1/4 tsp salt
2 sticks butter, cubed & cold
3 cups blueberries, fresh or frozen
1/2 cup sugar
1/4 cup water
4 tsp cornstarch

In a medium pot, bring the berries, sugar, and water to a boil, simmer until berries are tender. Whisk the cornstarch with a few tablespoons of water in a cup, until the lumps are gone. Then whisk the mixture into the berries. Stir frequently until it thickens. Remove from heat and refrigerate until cold.

In a large bowl, combine the oats, flour, sugar, zest and salt. Cut in the butter, using a pastry blender or fork, until it resembles small crumbs.

Press half of the oat mixture into a pie dish. Pour the cold berry mixture over top and sprinkle with the rest of the oat mixture. Bake for 45 minutes at 350F, until the top is golden brown. Let cool before cutting.