Alfredo without refried dough nuts

1 (12 ounce) jar alfredo sauce 1 cup milk 1 1/2 cups diced ham 2 cups shredded swiss cheese 1 (10 ounce) package frozen peas, thawed 3 lbs baking potatoes ,[...]

4 cups uncooked rotini pasta or 4 cups penne (8 oz.) or 4 cups bow tie pasta (8 oz.) 1 1/2 cups frozen sweet peas 1 cup shredded carrot (2 small) 1 tablespoon[...]