Beet Salad with Chèvre and Walnuts

INGREDIENTS

• 1 1/2 lb. golden or red beets or a combination
• (about 6 medium)
• 1 cup extra-virgin olive oil, plus more as needed
• Salt and freshly ground pepper, to taste
• 1/4 cup red wine vinegar
• 1 baguette, cut into 1/4-inch-thick slices
• 12 oz. mixed baby greens
• 1 cup walnuts, lightly toasted
• 12 oz. goat cheese (chèvre)