[ { "@type": "HowToStep", "text": "Preheat oven to 350°F (180°C). Spray a large baking dish with cooking spray and set aside. A deep 11 x 7-inch dish works well, but you can also use a 9 x 13-inch dish." }, { "@type": "HowToStep", "text": "Heat about 2 teaspoons of olive oil in a large skillet over medium-high heat. Sautee onion until just tender (about 3-5 minutes). Add ground beef and cook until no longer pink. Drain fat from the skillet. Season with salt and pepper, to taste, and stir in marinara sauce." }, { "@type": "HowToStep", "text": "Meanwhile, cook spaghetti according to package instructions. Drain." }, { "@type": "HowToStep", "text": "Add cooked pasta to the meat sauce and stir to combine." }, { "@type": "HowToStep", "text": "Pour into prepared baking dish. Sprinkle with grated cheese." }, { "@type": "HowToStep", "text": "Bake, uncovered, for about 25-30 minutes." } ]