Preheat oven to 350. In a bowel,mix beef,(turkey)1 1/2 cups salsa,1 cup cheese, tortilla chips, eggs, 1/4 cup cilantro and taco seasoning until just combind
In roasting pan,shape mixture into 11x5 loaf. bake 1hr & 30 min. sprinklewith 1/4 cup cheese;bake until cheese is melted, 5-7 mins. Let stand 5 mins before slicing
Meanwhile in a pot, bring potatoes with enough salted water to cover to a boil. Cook until tender,20-25 mins.drain;return to pot, Add milk,sour cream,butter, & salt; mash. Stir in remaining cheese and cilantro. Top meatloaf with remaining salsa.