Step #4 add 1/2 c white wine & let simmer on low until it reduces by 3/4.
Step #5 In a sauce pot or pan melt 2 1/2 tbsp butter.
Step #6 stirr in the flour creating a roux
with a wisk mix in the milk a little at a time to avoid lumps - wisk hard & lots.
Step #7 When the mixture is smoothish - pour in the cream, salt, worchestershire sauce, mix in the basil pesto, tobasco sauce & mushroom onion garlic wine mixture.
Step #8 mix well - pepper to taste
stirr in the parmesan cheese mixing well & set aside.
Step #9 This sauce can be made hrs ahead of time - simply reheat on your cook top on low or microwave for 30 seconds.
Step #10 Drizzle over your favorite meal - I have shown this sauce served over stirrfried vegetables & shrimp on pasta.
Enjoy the The Ultimate Garlic Pesto Alfredo Sauce recipe