Potato Green Pepper Tomato Gratin Recipe

A deliciously easy and healthy twist on scalloped potatoes! This vibrant gratin skips the milk and flour, offering a lighter, flavorful casserole bursting with potatoes, green peppers, and juicy tomatoes. Baked to golden-brown perfection, it's a comforting side dish or vegetarian main course the whole family will love. A recipe generously shared by Cyndy Totten.

Prep Time 30 mins
Cook Time 105 mins
Calories 367.2 kcal
Protein 10g
Rating Be the first
Potato Green Pepper Tomato Gratin 39

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Forktionary editorial kitchen team

The Forktionary Kitchen Team

Adapted from Food.com, then tested & standardized by Forktionary.

Ingredients for Potato Green Pepper Tomato Gratin

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How to Make Potato Green Pepper Tomato Gratin

  1. Preheat oven to 350°F (175°C).
  2. Grease a 9x13 inch baking dish.
  3. Layer 1/3 of the sliced potatoes in the baking dish.
  4. Top with 1/3 of the sliced green peppers.
  5. Top with 1/3 of the sliced tomatoes.
  6. In a small bowl, whisk together the melted butter and olive oil.
  7. Drizzle 1/3 of the butter mixture over the vegetables.
  8. Season with 1/3 of the salt and pepper.
  9. Repeat layers 3-8 two more times, using up all ingredients.
  10. Bake for 75 minutes, or until the potatoes are tender, golden brown, and bubbly.

Nutrition Information (Approximate per serving)

Sodium

27 g

Sugar

19g

Fat

31g

Carbs

16g

Frequently Asked Questions

How long does it take to make Potato Green Pepper Tomato Gratin?

Potato Green Pepper Tomato Gratin takes about 135 minutes from start to finish — roughly 30 minutes to prepare and 105 minutes to cook.

How many calories are in Potato Green Pepper Tomato Gratin?

Potato Green Pepper Tomato Gratin has approximately 367.2 calories per serving, with about 10 g protein, 16 g carbohydrates and 26 g fat.

What ingredients do I need for Potato Green Pepper Tomato Gratin?

The key ingredients for Potato Green Pepper Tomato Gratin are Baking Potatoes, Green Peppers, Tomatoes, Salt, Black Pepper, Butter. See the full list with measurements above.

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