Classic Beef Chili

Name: Classic Beef Chili
Prep time: 10 min
Cook time: 1 h 5 min
Total time: 1 h 15 min
Cuisine: American, TexMex
Ingredients: 1 medium yellow onion; 3 cloves garlic; 2 (about 15-ounce) cans kidney beans; 2 tablespoons olive oil; 3 tablespoons tomato paste; 2 pounds ground beef, preferably 80 to 85% lean; 2 teaspoons kosher salt, plus more as needed; 1/2 teaspoon freshly ground black pepper; 2 tablespoons chili powder; 1 tablespoon ground cumin; 1 tablespoon unsweetened cocoa powder; 2 teaspoons dried oregano; 1 teaspoon paprika; 1/4 teaspoon cayenne pepper (optional); 1 (28-ounce) can fire-roasted crushed tomatoes; 1 (14.5-ounce) can low-sodium beef or chicken broth (scant 2 cups); 1 teaspoon apple cider vinegar; Sour cream or plain Greek yogurt; Shredded cheddar cheese; Thinly sliced scallions; Diced avocado; Fresh cilantro; Tortilla chips