low fodmap recipe

**Ingredients**: - 1 tablespoon sunflower oil - 1 garlic clove (chopped finely) - 400 grams chicken breast fillets (diced) - 1 medium zucchini (chopped) - 1 medium carrot (chopped) - 1 medium potato (diced) - 2 cups low FODMAP chicken-style liquid stock - 2 tablespoons gluten-free corn flour - ¼ cup fresh flat-leaf parsley leaves (chopped) - ¼ cup fresh tarragon leaves (chopped) - Optional: gluten-free pie pastry for serving