This clear sauce is delicious and works great with a vegetable or seafood stir fry. A combination of mushrooms, carrots, bok choy, shrimp or crab, green or white onions makes for a wonderful and simple dish when served with rice.
When lobster is plentiful, my mother-in-law makes this without potatoes and increases the lobster to 3 cups or more. This is always eaten with homemade warm tea biscuits and saltine crackers, and yes the 1/4 cup of butter is correct.