Mom's Famous Tomato Gravy

3 tbls butter

3 tbls flour
1 can / jar of diced tomatoes (homegrown canned ones are the best)
salt
pepper
tobasco
biscuits
In a cast iron skiller melt the butter, add the flour and stir until in is dark brown and thick, pour in the can / jar of tomatoes and let simmer for about 5 minutes stirring continuosly, add water to thin if needed.  Add salt, pepper, and tobasco to taste.  Eat over biscuits.