Step 1

Cook the penne pasta to al dente according to the package directions

Step 2

Melt the butter and garlic in a skillet

Step 3

Add the flour and whisk constantly, for 1 minute

Step 4

Stir in the vegetable broth and heavy cream, until thickened (around 5 minutes), stirring often. Do not let it boil as this will burn the sauce

Step 5

Stir in the parmesan cheese until melted

Step 6

Stir in the cooked penne pasta

Step 7

Salt and pepper to taste and serve immediately