Step 1

Melt butter in a large skillet over medium-high heat. Saute garlic in the melted butter; add flour, gradually, working it in well so that there are no lumps. Continue to cook and stir, slowly, until the flour begins to brown.

Step 2

Slowly pour in the chicken broth, and work it back and forth, adding and stirring at the same time. The sauce should begin to get thick and creamy.

Step 3

Slowly pour in the chicken broth, and work it back and forth, adding and stirring at the same time. The sauce should begin to get thick and creamy.

Step 4

Remove sauce from heat and cool slightly before quickly whisking in the sour cream. Use the sauce immediately.