Salad/Potato Salad

Ingredients

• 3 lbs potatoes
• 0.50 cup butter
• 0.25 cup olive oil
• 300g onion
• 2 dill pickles
• 2 ribs celery
• 0.50 tsp salt
• 3 tbsp vinegar
• 0.25 cup mustard
• 2 cup dill weed
• 1 tsp pepper