"Spinach gives this popular casserole a fresh taste that will delight even those who say they don't like spinach. In fact, people are often surprised at just how good it is! Whenever I bring it to a gathering, it doesn't sit around long. —Barbara Kellen, Antioch, Illinois..."
INGREDIENTS
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2 packages (10 ounces each) frozen cheese tortellini
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1 pound sliced fresh mushrooms
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1 teaspoon garlic powder
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1/4 teaspoon onion powder
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1/4 teaspoon pepper
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1/2 cup butter, divided
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1 can (12 ounces) evaporated milk
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1 block (8 ounces) brick cheese, cubed
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3 packages (10 ounces each) frozen chopped spinach, thawed and squeezed dry
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2 cups (8 ounces) shredded part-skim mozzarella cheese