Step 1

Cook onions according to directions on package. Drain well.

Step 2

Meanwhile, in a medium size saucepan, melt the butter. Stir in flour, salt and pepper. Mix well and cook over medium high heat for 2 minutes.

Step 3

Add the milk, stirring constantly, and cook until thick and bubbly.

Step 4

Add the cheese and stir to melt. Add the onions, mix well and cook an additional 2-3 minutes to heat through.