To prepare a wintertime French style split pea soup recipe, add the following ingredients to the soup pot: 1 chopped onion 2 chopped celery 3 chopped garlic cloves 1 cup chopped parsley 1 teaspoon kosher salt 2 tablespoons butter 1 tablespoon melted margarine 2 teaspoons thyme 2 tbsp. chopped sage 2 cups water 1 pound split-peas, hulled and peeled, cut into 1-inch cubes. Bring to boil over medium-high heat. Reduce heat to low, cover, and simmer until tender, about 1 hour. Remove from heat and allow to cool.