1/4 cup margarine
1/2 cup flour
16 oz milk
8 oz Velveeta shredded cheese
1 cup frozen peppers and onions, thawed and drained
Melt margarine in pan.
Add flour, small amounts at a time, stirring continuously.
Stir for couple of minutes until smooth.
Add milk in small amounts, whisking as you go.
Add cheese and keep whisking until smooth and thick.
Add peppers and onions last, mixing well.
Pour sauce over steamed cauliflower in baking dish.
Top with shredded cheese.
Bake at 350 for 45 minutes
She has very detailed pictures and instructions on her blog .
This is going to be my go-to cheese sauce and well worth taking a few minutes to make home made instead of store bought!