Beer Beef Stew

Ingredients
4 pounds cubed beef
1/2 cup flour
1 teaspoon salt
1 teaspoon pepper
1 teaspoon dry mustard
1/2 cup sliced onion
1/2 cup diced celery
1 cup diced carrots
1/2 cup ketchup
2 tablespoons brown sugar
1 cup beer
1 cup pineapple juice
4 potatoes, sliced
2 tablespoons shortening

Directions
In a bowl, combine flour, salt, pepper, and mustard; coat cubed beef. In a large Dutch oven, heat shortening and brown meat. Pour off fat and add remaining ingredients; cover and simmer for 2 hours or until tender.