INGREDIENTS
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1/4 cup chopped onions
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3 Tbsp. butter, divided
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1/4 cup flour
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2 cups milk
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1 pkg. (200 g) Kraft Tex Mex Shredded Cheese
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1 pkg. (750 g) frozen broccoli spears, thawed, drained
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1 can (12 fl oz/341 mL) whole kernel corn, drained
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1/2 cup crushed Ritz Crackers, divided