Buttermilk White Sauce

Used for Green Bean Casserole. Measure the flour as you would for baking by lightly spooning it into a measuring cup and leveling with the back of a knife. this will help you avoid a thick, pastelike sauce. Don't try to add both milk and buttermilk at one time - the sauce will curdle. Sauce can be made up to 2 days ahead. Prepare recipe as directed; cover and chill in an airtight container. Whisk in 2 Tbsp milk and microwave on HIGH for 1 minute, stirring at 30 second intervals.

Buttermilk White Sauce

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  • Prep Time


  • Total Time


  • Servings



  • 2

    Tbsp butter

  • cup all purpose flour

  • cups milk

  • ½

    cup buttermilk

  • 1

    Tbsp ranch dressing mix (the dry stuff)

  • ¼

    tsp salt

  • ¼

    tsp pepper


Melt butter in a medium bheavy saucepan over medium heat; whisk in flour until smooth. Cook 1 minute, whisking constantly. Gradually whisk in 1 1/2 cups milk; cook over medium heat,whisking constantly, 3 to 4 minutes or until mixture is thickened and bubbly. Remove from heat, and whisk in buttermilk and remaining ingredients.


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