1 1/2 pounds lean ground beef
1 bunch green onions, finely chopped
1 diced fresh jalapeno pepper, or to taste
1/4 cup water
1 (1.25 ounce) package taco seasoning mix
1 cup plain yogurt
1 (10.75 ounce) can condensed cream of chicken soup
2 cups shredded mozzarella cheese
6 (6 inch) corn tortillas