How to make Homemade Ranch Dressing… This Buttermilk Ranch taste so much better than store bought! 🥒 🥕 🫙 Buttermilk Ranch Dressing 1/2 C. Whole Milk 3 TBS. Lemon juice 1/2 C. Mayonnaise 1/2 C. Sour Cream 1/2 tsp. Garlic Powder 1/2 tsp. Onion Powder 1/2 tsp. Salt 1/2 tsp. Parsley 1/2 tsp. Dill 1/2 tsp. Pepper 2 TBS. Chives To make the buttermilk add milk and 1 tablespoon of lemon juice to a jar and mix, let set for 10 minutes (or use buttermilk if you got it). Make the Ranch dressing by adding