Seafood Tetrazzini

Yield:	4 Servings
Categories:	Appetizers, Main Dishes, Microwave, Fish

3	tb	Finely chopped onion
2	tb	Butter or margarine
10 1/2	oz	Cream of mushroom soup,
		Condensed, undiluted
1/2	c	Water
1	c	Elbow macaroni, cooked and drained
1/4	c	Grated Parmesan cheese
1	c	Tuna, shrimp or crabmeat, flaked & drained
1/3	c	Sliced ripe olives
2	ts	Lemon juice
1/8	ts	Dried thyme leaves
1/8	ts	Dried marjoram leaves
1/4	c	Grated Parmesan cheese