Potato Kale Soup

Ingredients: 4 tablespoons olive oil 2 medium onions, chopped 10 cloves garlic, chopped 1/2 tablespoon red chile flakes or to taste 1 1/4 teaspoons salt 6 medium potatoes, peeled and diced into 3/4 inch cubes 3 cups coarsely chopped kale black pepper Directions: Heat...