INGREDIENTS
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12 ounces small elbow macaroni, boiled in salted water until cooked but firm (mine took 7 minutes)
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1/4 cup flour
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2 cups milk (I used 2%)
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1 teaspoon onion salt
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20 ounces sharp cheddar cheese, shredded separated into 8 ounce and 4 ounce portions
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8 ounces mild cheddar cheese, shredded
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1/4 cup of melted butter