Vegetarian Three-Bean Chili

Name: Vegetarian Three-Bean Chili
Cuisine: American
Ingredients: 2 tablespoons vegetable oil, plus more for frying (about 2 cups); 3/4 cup mild or medium chunky corn and tomato salsa (not corn and black bean salsa, which usually has a puréed bean base); 1 1/2 teaspoons ground cumin; 1 teaspoon chili powder; 1 teaspoon dried oregano; 1/2 teaspoon garlic powder; 1 (15-ounce) can black beans, rinsed, drained; 1 (15-ounce) can pinto beans, rinsed, drained; 1 (15-ounce) can red kidney beans, rinsed, drained; 1 (15-ounce) can puréed tomatoes or tomato sauce; 3 cups low-sodium vegetable broth; 3/4 teaspoon kosher salt, plus more; 1/4 teaspoon (or more) freshly ground black pepper; 2 (5–6") corn tortillas, sliced into 1/4"-wide strips; Sliced pickled jalapeños (for serving; optional); A deep-fry thermometer