Spaghetti Bolognese - How to Cook Meat

Ingredients

• 3 Tbsp olive oil
• 1 Tbsp butter
• ½ cup onion, minced
• ½ cup carrot, minced
• ½ cup celery, minced
• 2 cloves garlic, minced
• 1 pound ground beef
• 1 cup whole milk
• 2 Tbsp tomato paste
• ½ tsp sea salt
• ¼ tsp black pepper
• 1/8 tsp nutmeg
• 1 cup white wine
• 1 28-oz. can of chopped tomatoes
• 1 pound spaghetti noodles
• Parmigiano-Reggiano