Light sweet potato gratin

A gentle, fiber-rich gratin that supports everyday gut comfort.

92%

General Gut Health Match

This score is based on all ingredients included in the food recipe and provides a match score for the general population which is not personalized to your personal profile or gut microbiome test.

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Recipe description

Light sweet potato gratin offers a gentle, fiber-forward side you can enjoy regularly. Thinly sliced sweet potatoes bake in a light, season-balanced bake to create a creamy, comforting texture without heaviness. Rich in fiber and polyphenols, this dish supports diverse plant intake and provides familiar flavors that pair well with colorful vegetables and other gut-friendly staples. It fits into easy-to-build meals aimed at balanced eating, making it a practical option for everyday meals that nourish digestion and microbiome-friendly patterns.

June 21, 2026
Light sweet potato gratin
Prep 15 min Cook 30 min Easy

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Why this recipe fits you

  • Rich in fiber from sweet potatoes and vegetables.
  • Includes colorful plant foods that support dietary diversity.
  • Balanced with healthy fats and gentle carbohydrates for everyday gut comfort.

Gut Health Score

🌿 Fiber diversity
85
🍇 Polyphenol density
70
🧬 Diversity support
80
🛡️ Inflammation support
82
🫧 Fermentation support
0
⚖️ Blood sugar stability
78

Ingredients

Sweet potato
3 piece
Sweet potato
Milk, whole
0.5 glass
Milk, whole
Cream
2 tablespoon
Cream
Garlic
2 piece
Garlic
Cheese, parmesan
4 tablespoon
Cheese, parmesan
Butter
6 teaspoon
Butter
Oil, olive
1 tablespoon
Oil, olive
Thyme
1 teaspoon
Thyme
Salt
0.5 teaspoon
Salt

Instructions

1

Preheat the oven to 375°F (190°C).

2

Peel and thinly slice the sweet potatoes.

3

Chop the onion and garlic finely.

4

In a skillet, heat the olive oil over medium heat and sauté the onion and garlic until translucent.

5

In a baking dish, layer the sweet potato slices, mixing in the sautéed onion and garlic.

6

Pour the cream over the layered sweet potatoes and sprinkle with feta cheese, salt, black pepper, and thyme.

7

Cover the dish with foil and bake for 30 minutes, then remove the foil and bake for an additional 15-20 minutes, or until golden and tender.

8

Let it cool for a few minutes before serving.

Nutrition

320 kcal Calories
7 g Protein
40 g Carbohydrates
6 g Fiber
6 g Sugar
12 g Fat
5 g Saturated fat
0.9 g Salt

FAQ

What makes this gratin light?
It uses thinly sliced sweet potatoes with a light dairy or non-dairy base and minimal added fat, giving a creamy texture without heaviness.
How many servings does it yield?
About 4 servings.
Can I make this dairy-free or vegan?
Yes. Use a non-dairy milk (unsweetened) and omit cheese or use a dairy-free cheese.
Is it gluten-free?
Yes, as written it’s naturally gluten-free, but check any added thickeners or breadcrumbs if used.
How should I store leftovers and how long do they keep?
Cool and refrigerate in an airtight container for 3–4 days. Reheat in the oven or microwave.
What temperature and time are recommended for baking?
Bake at about 175°C (350°F) for 40–60 minutes, until potatoes are tender and the top is lightly golden.
How can I adjust the recipe to boost fiber?
Keep the skins on, add fiber-rich greens or seeds, and consider a higher-fiber plant-based milk.
Can I assemble the dish ahead of time?
Yes. Slice and layer the potatoes, refrigerate up to 24 hours, then bake as directed (add 10–15 minutes if cold).
What are good pairings to serve with this gratin?
Pair with colorful vegetables, a simple green salad, beans, or a protein of your choice.

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