Mom'S Marinated Carrots - cooking recipe

Ingredients

2 lb. carrots, peeled, sliced and cooked until tender and drained
1 medium onion, chopped
1/2 c. oil
1 c. sugar
3/4 c. vinegar
1 tsp. salt
1 tsp. black pepper
1 Tbsp. mustard

Preparation

Add the rest of the ingredients to the cooked carrots and marinate in refrigerator overnight.