Beefy Cheesy Sweet Potatoes With Kimchi

Name: Beefy Cheesy Sweet Potatoes With Kimchi
Ingredients: 2 lb. sweet potatoes (about 4 medium or 6 small), scrubbed, cut into ½-thick wedges; 1 Tbsp. extra-virgin olive oil, plus more for drizzling; 1 tsp. Diamond Crystal or ½ tsp. Morton kosher salt, plus more; 1 lb. ground beef; 1½ tsp. ground cumin; 1 tsp. smoked paprika; Freshly ground pepper; 4 garlic cloves, thinly sliced; 2 Tbsp. tomato paste; 14 oz. Napa cabbage kimchi, coarsely chopped (if kimchi is already chopped, leave it in bigger pieces), divided; 12 oz. extra-sharp white cheddar, coarsely grated; ½ cup sliced pickled jalapeños, coarsely chopped; Thinly sliced scallions and cilantro leaves (for serving)