"This Triple Berry Pie isn't only easy but is fresh and delicious! This fruity dessert has an amazing berry pie crumble on top and is perfect all year long...."
INGREDIENTS
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2 c. blackberries
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2 c. blueberries
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2 c. raspberries
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1/2 c. granulated sugar
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1/3 c. all-purpose flour
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1 tbsp. cornstarch
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1 tbsp. lemon juice
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1 tbsp. lemon zest
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1 tsp. vanilla extract
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1 c. old-fashioned oats
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3/4 c. brown sugar
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1/2 c. all-purpose flour
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1 tsp. cinnamon
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1/4 tsp. salt
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9 tbsp. unsalted butter, cold and cubed
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1 pie crust (homemade or store bought)