Step 1

Dice onions.

Step 2

Carmelize the onions in 2 tbsp. butter on medium-low heat (about 10-15 minutes or until browned)

Step 3

While the onions are cooking, mix the apple butter, greek yogurt, sour cream, deli mustard and apple cider vinegar. Add pepper to taste.

Step 4

Add sauteed onions.

Step 5

Refrigerate for about 15 minutes to reduce the already cool mixture back down from adding the hot onions.