Easy Taco Casserole With Beef and Chips

Ingredients

• 1 tablespoon olive oil
• 1 1/2 lb (680 g) ground beef
• 1 small yellow onion, diced
• 3 cloves garlic, minced
• 2 tablespoons chili powder
• 1 1/2 teaspoons ground cumin
• 1 teaspoon smoked paprika
• 1/2 teaspoon dried oregano
• 1/2 teaspoon kosher salt, plus more to taste
• 1/4 teaspoon black pepper
• 1 can (15 oz / 425 g) black beans, drained and rinsed
• 1 cup (165 g) frozen corn or drained canned corn
• 1 1/2 cups (360 ml) salsa
• 1/2 cup (120 ml) tomato sauce
• 1/4 cup (60 ml) water
• 6 cups (170 g) sturdy corn tortilla chips, lightly crushed, divided
• 2 1/2 cups (280 g) shredded Cheddar Jack cheese, divided
• 1 cup (60 g) shredded lettuce
• 1 cup (150 g) diced tomato
• 1/2 cup (120 g) sour cream
• 1/4 cup (10 g) chopped fresh cilantro
• Pickled jalapeno slices, to taste