Ruth's Aflredo Sauce

My most amazing friend Ruth May gave me some killer recipe's that Ive been dying to share! Here is one of them! So easy to make and soooo fun to eat! *You do not have to add Ruth's hot salt in this but it does make it sooooo tasty!
Ruth’s Alfredo Sauce

½ cup butter (not margarine)
2 cloves garlic, minced
½ cup flour
4 cups half and half
2 cups whipping cream
2 (6oz) jars fresh parmesan cheese, grated
1 tsp salt
1/2 tsp fresh ground pepper
*1 tsp Ruth's Hot Salt (see recipe below)

Melt butter in pan and sauté garlic for minute. Add flour and heat to bubbling, 1-2 minutes. Then add remaining ingredients and heat to boiling, stirring constantly. Serve over favorite pasta or fettuccini noodles. EnJOY!

*Ruth's Hot Salt
1/2 cup Table salt
1/2 cup california or lowreys garlic salt
1/2 cup garlic, granulated
1/4 cup cayenne pepper*
1/4 cup cumin
1/2 cup onion salt
1/4 cup Knorr tomate (tomato bullion)
1/4 cup paprika
1/4 cup McCormick Rst'd garlic and red bell pepper
2 Tblsp McCormick hot shot black and red pepper blend

*Note: 1/2 cup ground ancho chilis can be substituted. Grind "McCormick Roasted garlic and red bell pepper and McCormick hot shot black and red pepper blend, fine in a coffee grinder. Combine all ingredients and put in a shaker.