INGREDIENTS
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INGREDIENTS
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Topping:
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2/3 cup all-purpose flour
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2/3 cup old fashioned oats
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1/3 cup packed light brown sugar
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1/2 cup raw unsalted pecans chopped
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1/4 teaspoon salt
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6 tablespoons unsalted butter diced
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Filling:
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6 (6-ounce) containers fresh blackberries (or 7 1/2 cups thawed frozen blackberries)
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2/3 cup granulated sugar
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1/4 cup fresh lemon juice
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1 tablespoon grated fresh lemon zest
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1/4 teaspoon vanilla extract
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1/4 cup cornstarch