"This gratin is the perfect way to use up an abundance of summer squash. It's easy to prepare, takes just 10 minutes in the oven, and serves up bubbly and delicious. —Jonathan Lawler, Greenfield, Indiana..."
INGREDIENTS
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2 tablespoons butter
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2 medium zucchini, cut into 1/4-inch slices
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2 medium yellow summer squash, cut into 1/4-inch slices