Ingredients
5 cups blueberries fresh or frozen
2 tablespoons sugar
3 tablespoons flour
1 lemon
Topping
¼ cup butter softened
½ cup brown sugar
¼ cup flour
¾ cup oats regular or quick
¼ teaspoon cinnamon
Instructions
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Preheat the oven to 375°F.
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Grate the rind of the lemon and squeeze the juice of half of the lemon.
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Toss blueberries, with sugar, lemon rind, 1 tablespoon lemon juice and 3 tablespoons flour. Place in a 2qt baking dish.
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With a fork, combine the butter, brown sugar, oats, flour, nuts if using and cinnamon until crumbled. Sprinkle over blueberries.
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Bake 35-40 minutes or until the top is golden brown and the fruit is bubbly. Cool slightly and serve warm.