Norwegian Brown Beans

Ingredients

• 1 1/2 lb. ground beef
• 1 medium onion, chopped fine
• 2 Tbsp. oil
• 1 tsp. salt
• 1 c. catsup
• 1/2 c. water
• 1/4 c. brown sugar
• 2 tsp. vinegar
• 2 tsp. dry mustard
• 1 (16 oz.) can kidney beans
• 2 small cans pork and beans
• 1 large can chunk pineapple