Elbows with Ham, Limas, And Carmalized Onions

Yield:	4 servings
Categories:	Beans, Pasta, Low-Fat

2	c	Macaroni; elbows
1	pk	Frozen lima beans
1	md	Carrot; pared &sliced thin
4	oz	Canadian bacon; cut into 1"slivers
3	tb	Olive oil
1	md	Onion; slivered
		Black pepper; coarsely ground
		Grated parmesan cheese