Loaded Sweet Potato Nachos

Name: Loaded Sweet Potato Nachos
Ingredients: Salsa; 1 cup sweet potato, diced small; 2 teaspoons olive oil; 1 cup tomatoes, diced and seeded; 3/4 canned black beans, drained and rinsed; 3/4 cup frozen sweet corn; 1/3 cup red onion, chopped small; 4 ounces canned diced green chilis; 1 tablespoon hot Mexican chili powder; 1/2 teaspoon cumin; 1/2 teaspoon paprika; 1/2 teaspoon dry garlic; 1/2 teaspoon Himalayan salt; 2 teaspoons apple cider vinegar; Cheese Sauce and Toppings; 2/3 cup yellow onion, diced; 1 teaspoon olive oil; 1 tablespoon arrowroot flour; 1 1/2 cups 2% milk; 1 cup monterey jack cheese, shredded; 1 cup mild cheddar, shredded; 1/8 teaspoon paprika; 1/4 teaspoon sea salt; 1 bag of blue corn tortilla chips (about 15 chips per person); 1 cup crumbled queso fresco for topping; 1/2 fresh cilantro for topping