TikTok's Perfect Cheesy Spaghetti - Zest Plate

Ingredients

• 2 tablespoons olive oil
• 1 cup onion, chopped
• 1/2 cup green bell pepper, ribs and seeds removed, chopped
• 1 tablespoon garlic, minced
• 1 pound ground beef, 80/20
• 1 1/2 teaspoons salt
• 3/4 teaspoon black pepper
• 1 tablespoon Italian seasoning
• 1 1/2 jars (24-ounce) spaghetti sauce
• 1 tablespoon salt
• 16 ounces spaghetti
• 1/2 cup (1 stick) butter
• 4 cloves garlic, minced
• 1 tablespoon all-purpose flour
• 2 cups heavy cream
• 1 1/2 cups parmesan
• 2 cups mozzarella