"This 4th of July, serve a festive 5-ingredient dump cake and let your guests enjoy a moist and colorful dessert with a "berry" fruity filling!..."
INGREDIENTS
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1 (21 ounce) can strawberry pie filling
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1 cup frozen blueberries
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1 (18.25 ounce) package white cake mix (such as Betty Crocker® Super Moist Vanilla)
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1/2 cup butter, melted