Old Fashioned Baked Beans

1 small package navy beans
4 tbsp. granulated sugar
2 scant tsp. salt
1/4 tsp. black pepper
1 tsp. powdered mustard
1/2 c. molasses
1 (2 to 3 oz.) piece salt pork
1 med. peeled whole onion

Soak beans overnight. In a.m. drain and replace water. Parboil 10 to
15
minutes (not longer). Place onion in crock pot. Drain beans and put
on top
of onion. Add flavors dissolved in 1 1/2 cups of hot water. Add
enough hot
water to just cover top of beans. Place salt pork on top. Cover and
set
crock pot on high. Bring volume of water up about every 3 hours.
Cook 6-7
hours.