1 Stir in flour a little at a time until smooth, then remove from heat. 2  Add broth and milk a little at a time, stirring to keep mixture smooth. 3  Then, stir in mushrooms. 4  Return to heat and bring sauce to a gentle boil; stir constantly until sauce thickens.
A pound is equal to 16 ounces. If 20 slices equals 1 pound equals 16 ounces, then 1 slice is equal to 16 oz / 20 = .8 ounces. 1 pound = 16 oz = 20 slices. 16/20 oz per slice.
But most full-fat varieties are high in saturated fat. A standard serving of cheese, at about 1.5 ounces, is roughly the size of a pair of dice (I know, tiny), and will add about 150 calories and 15 grams of fat to your salad. Beat It! Stick to an ounce or less of the stinkiest cheese you can handle.