Sweet Potato, Zucchini and Mozzarella Chicken Gratin
Sweet Potato, Zucchini and Mozzarella Chicken Gratin is a medium French recipe that serves 4. 725 calories per serving. Recipe by Chef Michel Dumas on YouTube.
Prep: 15 min | Cook: 1 hr 4 min | Total: 1 hr 34 min
Cost: $10.12 total, $2.53 per serving
Ingredients
- 800 g Sweet potatoes (peeled and cut into 2 cm cubes)
- 300 g Zucchini (cut into dice)
- 200 g Yellow onions (sliced into strips)
- 2 cloves Garlic cloves (finely chopped)
- 10 leaves Fresh basil (chopped)
- 500 g Boneless, skinless chicken breasts (cut into 2 cm dice)
- 200 g Shredded mozzarella (shredded)
- 15 g Gluten‑free flour (for thickening)
- 200 ml Liquid cream (30 % fat) (at room temperature)
- 30 ml Olive oil (for cooking)
- 1 tsp Salt (plus 25 g for cooking water)
- 0.5 tsp Ground black pepper (to taste)
- 15 ml Soy sauce (optional) (to season the sauce)
Instructions
Prepare the sweet potatoes
Peel the sweet potatoes then cut them into approximately 2 cm cubes.
Time: PT5M
Cut the vegetables and basil
Wash the zucchini, cut into dice. Slice the onions into strips, chop the garlic and chop the basil.
Time: PT5M
Prepare the chicken and cheese
Cut the chicken breast into 2 cm dice. Grate the mozzarella using a grater.
Time: PT5M
Cook the sweet potatoes
Place the sweet potato cubes in a saucepan, cover with cold water, add 25 g salt and bring to a boil. Reduce heat and simmer 20 minutes until tender.
Time: PT20M
Temperature: eau bouillante
Drain and keep warm
Drain the sweet potatoes in a colander, keep them warm in the saucepan off the heat.
Time: PT2M
Sauté the chicken with onions and garlic
Heat 1 tbsp olive oil in a pan over medium‑high heat. Add the chicken, onions and garlic, season with salt and pepper. Cook 15 minutes, stirring, until the chicken is cooked through and lightly browned.
Time: PT15M
Temperature: feu moyen‑élevé
Sauté the zucchini
Push the chicken to the side, add the zucchini dice to the pan, season with salt and pepper and brown for 7 minutes, stirring regularly.
Time: PT7M
Temperature: feu moyen
Prepare the creamy sauce
In a small bowl, mix the gluten‑free flour with 1 tbsp olive oil. Pour this mixture into the pan, cook 1 minute while stirring. Add the liquid cream and soy sauce, bring to a gentle boil and let thicken for 5 minutes. Adjust seasoning.
Time: PT5M
Temperature: feu moyen
Assemble the gratin
In a gratin dish, layer the sweet potatoes, chicken, zucchini and pour the creamy sauce over. Lightly mix to combine.
Time: PT5M
Add cheese and basil
Sprinkle the top of the gratin with shredded mozzarella and chopped basil.
Time: PT2M
Gratin under the broiler
Preheat the oven on broil setting. Bake the dish for 8 minutes until the cheese is melted and lightly browned.
Time: PT8M
Temperature: grill du four
Rest before serving
Remove the gratin from the oven and let rest for 5 minutes before serving.
Time: PT5M
Nutrition Facts
- Calories
- 725
- Protein
- 38 g
- Carbohydrates
- 46 g
- Fat
- 40 g
- Fiber
- 4 g
Dietary info: gluten‑free (certified flour), high in protein, contains dairy products, high-protein
Allergens: milk, gluten, soy
Last updated: April 7, 2026






