Healthier Taco Mac and Cheese

Name: Healthier Taco Mac and Cheese
Ingredients: 16 oz macaroni pasta (or other small pasta shape); 1 tablespoon avocado or olive oil; 1 large white or yellow onion (diced); 1 sweet pepper, diced (red, orange, or yellow sweet pepper ); 1 lb. ground turkey (preferably 85% lean); 1 teaspoon salt (DIVIDED); 2 teaspoon chili powder; 1 1/4 teaspoon ground cumin; 1/2 teaspoon dried oregano; 1 1/4 teaspoon garlic powder; 1 teaspoon smoked paprika; 1 1/4 cup salsa; 2 cup frozen chopped spinach; 2 tablespoons unsalted butter; 4 oz. cream cheese (or light cream cheese ); 2 1/2 cup shredded sharp cheddar cheese; 1 1/2 cup milk (whole, 2% or 1%); chopped cilantro, shredded lettuce, diced tomato, sliced olives, etc.