Ingredients:
1/2 Small white onion chopped
1/2 Cup Lemon pie filling
3/4 Tsp. Salt
1 Tbsp. Cider vinegar
2 Tbsp. Dijon mustard (The grainy kind gives a nice texture)
8 Tbsp. Canola oil
2 Tbsp. Horseradish

Instructions:
Puree all the ingredients EXCEPT oil and horseradish in a blender. Add oil and horseradish slowly until you have a nice consistency.