Green Beans with Caramelized Shallots

Bahan-bahan (8 porsi)

• 2 pounds green beans, (rinsed and trimmed)
• 1 pound medium shallots, (peeled and sliced)
• 2 tablespoons salted butter
• 2 tablespoons extra-virgin olive oil
• 1 teaspoon chopped fresh thyme
• salt and pepper, (to taste)