Creamy white bean soup with escarole and gremolata

Name: Creamy white bean soup with escarole and gremolata
Prep time: 25 min
Cook time: 35 min
Total time: 1 h
Cuisine: European, Mediterranean
Ingredients: 1 large Onion, peeled and diced; 2 medium Carrots, peeled and diced; 6 cloves Garlic, peeled and minced; 3 Celery stalks, diced; 1 Potatoes, cubed; 1 Peeled Tomato, cubed; 1 liter good quality vegetable broth (affiliate link); 4 cups Cannellini beans, cooked; 2 heads of escarole, washed and roughly chopped; ¼ teaspoon red chili pepper flakes(optional); 1 teaspoon Herbes de Provence (affiliate link) seasonings; 1 teaspoon Salt (affiliate link); ¼ teaspoon ground black pepper (affiliate link) (to taste); Juice of a lemon (optional); ½ cup Fresh Parsley, finely chopped; 4 cloves of garlic, grated; Lemon zest from 2 lemons; Salt (affiliate link) to taste