Spaghetti Bolognese - Ingredients:

• 6 oz. bacon slices, cut into 1/2-inch pieces
• 1 yellow onion, diced
• 1 1/2 tsp. kosher salt, plus more, to taste
• 3 garlic cloves, minced
• 2 lb. ground beef
• 6 oz. tomato paste
• 1 cup milk
• 1/3 cup grated Parmigiano-Reggiano cheese, plus more for serving
• Freshly ground pepper, to taste
• 1 lb. spaghetti, cooked, water reserved