Slow Cooker Bolognese

• 2 tablespoons unsalted butter
• 1 tablespoon extra-virgin olive oil, plus more for drizzling
• 1 1/2 cups sweet yellow onion, finely diced
• 8 large garlic cloves, finely minced
• 1 pound ground beef
• 1 pound ground sausage, casings removed
• 1 1/2 teaspoons Kosher salt
• Freshly ground black pepper
• 1/4 cup tomato paste
• 2 28-ounce cans (about 1 quart) San Marzano tomatoes, coarsely chopped
• 3 sprigs thyme
• 1/2 teaspoon dried oregano
• 10 large basil leaves, plus more for garnish
• 2 bay leaves
• 1 pound spaghetti
• Parmigiano-Reggiano, for serving

1. In each of 2 large skillets, melt 1 tablespoon of the butter and 1/2 tablespoon of the olive oil over medium heat.
2. Add the onions and garlic to one pan and the ground meat to the other.
3. Season each pan with 3/4 teaspoon salt and pepper.
4. Cook until the onions and garlic have softened and are lightly browned, about 5 minutes.
5. Add the tomato paste to the onions and cook for another 3 minutes.
6. Cook the ground meat until lightly browned, about 6 minutes.
7. Transfer the onion mixture and the meat to a slow cooker.
8. Add the chopped tomatoes and their juices, thyme, oregano, basil, and the bay leaves.
9. Cover and cook for 4 hours on high or for 8 hours on low.
10. Discard the thyme sprigs and bay leaves.
11. Bring a large pot of salted water to a boil; cook the spaghetti until al dente.
12. Drain and toss with the sauce.
13. Transfer to plates, and top with freshly grated Parmesan cheese, a drizzling of olive oil, and chopped basil.

unsalted butter, extravirgin olive oil, sweet yellow onion, garlic, ground beef, ground sausage, kosher salt, freshly ground black pepper, tomato paste, tomatoes, thyme, oregano, basil, bay leaves, spaghetti

Taken from www.foodandwine.com/recipes/slow-cooker-bolognese (may not work)