Heat oven to 375 F. Spray 2 1/2 qt dish. Melt butter in skillet, ad onions-cook slightly for about 12-15 minutes. Spread 1/3 potatoes. Sprinkle w/ 1/4 tsp. salt. Layer w/ half the tomatoes. Top w/ 1/2 onion and cheese.
Continue layers. Whisk together half n half and flour in saucepan. Heat over med-high heat. About 8 minutes. Remove from heat. Whisk 1 tsp. salt, cream cheese, pepper and half the parmesan. Pour over potatoes. Cover w/ alum. foil. Bake 1 hour and 10 minutes.
Originally Submitted
1/5/2011
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