Ingredients 1 tablespoon olive oil 1 cup chopped onion 4 garlic cloves, minced 6 ounces lean ground sirloin 1/4 teaspoon kosher salt 1/4 teaspoon crushed red pepper 1/4 teaspoon black pepper 1 1/2 cups lower-sodium marinara sauce (such as McCutcheon’s) 2 ounces pitted kalamata olives, coarsely chopped 1 1/2 pounds cauliflower, cut into florets Cooking […]