2 Tblsp butter or your choice of fat (You may need to increase for larger portions, but keep the fat and flour in equal ratio of 1:1)
2 Tblsp flour
½ tsp salt
Dash of paprika or cayenne pepper
Ground black pepper—few shakes
1 cup of your desired liquid: milk, cream, half and half, or soup stock, (use more if needed).
In a small pan, melt butter, add salt and seasonings, then flour. Stir to a smooth paste. When thick, (not long) add desired liquid.
Cook till comes to a boil, still stirring.
To make homemade mac-n-cheese, after combining butter, flour an seasonings, add 1 c. milk and 1 c. shredded cheese.
Cook on low, stirring, till smooth, and then add to cooked noodles.