Potato soup

Name: Potato soup
Cuisine: World Cuisine
Ingredients: 9.1 oz celery chopped; 12.8 oz onion chopped; 26.3 oz carrots sliced; 2.4 oz green bell pepper chopped; 4.5 oz red bell pepper chopped; 1 tsp salt; 1 tsp black pepper; 38.1 oz potato cubed; 64 oz low sodium vegetable stock; 2 tsp dried thyme; 9 grams unsalted butter; 195 ml half and half; 443 ml whole milk; 1 cup flour; 6.3 oz zucchini chopped