Teresa's Clam Chowder

2 cans clams
2 cups diced potatoes
2 cups diced soyota
1 cup butter
3/4 cup flour
1 quart milk
1 quart cream
2 TBS vinegar
1/2 tsp supar
1 1/2 tsp salt
dash of pepper

Put veggies in skillet. Drain clam juice on veg (if it doesn't cover veggies add water just to cover). Cook veggies until tender (15 min). While cooking in a large pot melt butter. Add flour, stirring until smooth. Add milk and cream. Stir until very thick. Add cooked veggies and clams. Add seasonings. Cook to desired temperature.