Hearty Kale Soup

Ingredients

• 3 Tbsp olive oil , plus additional for serving
• 1 medium yellow onion , chopped
• 2 cloves garlic , chopped
• 2 cups Idaho potatoes , peeled and thinly sliced
• 2 quarts chicken stock
• 6 oz chorizo sausage (about 2 links), cut into matchsticks
• 1 lb kale , washed, trimmed, and shredded
• Salt and freshly ground black pepper, to taste
• Squeeze of lemon