How many servings does this recipe make?

This recipe makes 4 servings. You can adjust the portion size directly on this page.

What ingredients do I need for Turnip, Apple, And Cheddar Gratin?

You need 12 ingredients. The key ingredients include: 1 large onion, cut into 1/4-inch slices, 2 tablespoons olive oil, 1 1/2 teaspoons butter, 1 pound turnips, peeled and cut into 1/8-inch slices, divided, and more.

Is Turnip, Apple, And Cheddar Gratin suitable as general?

Yes, Turnip, Apple, And Cheddar Gratin falls under the General category and is a great choice for this type of meal.

How do I store leftover Turnip, Apple, And Cheddar Gratin?

Store leftovers in an airtight container in the refrigerator for up to 3–4 days. Reheat gently before serving.

Turnip, Apple, And Cheddar Gratin Recipe

Name: Turnip, Apple, And Cheddar Gratin
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 1 large onion, cut into 1/4-inch slices; 2 tablespoons olive oil; 1 1/2 teaspoons butter; 1 pound turnips, peeled and cut into 1/8-inch slices, divided; 1/2 pound baking potatoes, peeled and cut into 1/8-inch slices, divided; 1/2 pound Granny Smith apples, peeled and cut into 1/8-inch slices, divided; 1 tablespoon chopped fresh rosemary; 1 tablespoon chopped fresh thyme; 3/4 teaspoon fine-grained sea salt; 3/4 teaspoon freshly ground black pepper; 1 1/4 cups (5 ounces) grated extra-sharp Cheddar cheese; Garnish: sliced green onion

Try this homemade Turnip, Apple, And Cheddar Gratin recipe the whole family will love. Made with onion, olive oil, butter and baking potatoes. Easy step…

This Turnip, Apple, And Cheddar Gratin relies on simple, everyday ingredients such as olive oil, butter, chopped fresh rosemary and chopped fresh thyme. It comes together quickly and makes 4 servings, at about 314 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.

It's versatile enough for an easy weeknight dinner yet satisfying enough for guests at the weekend. Serve it with your favorite sides, and keep any leftovers for a quick meal the next day.

Updated Jun 30, 2026

Serves 4 General

Tips for the best results

Read through all the steps once before you start and measure out your ingredients first — it makes everything go more smoothly.
Taste as you go and adjust the seasoning before serving.
Avoid overcrowding the pan — cook in batches if needed for the best texture.
Let the dish rest for a few minutes before serving so the flavors settle.
Store leftovers in an airtight container in the fridge and enjoy within a few days.

Variations & substitutions

Use a neutral oil or a plant-based spread in place of butter for a dairy-free version.

No specific allergen information. Please check the ingredient list for possible allergens.

My Personal Notes

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Turnip, Apple, And Cheddar Gratin

Tips for the best results

Variations & substitutions

My Personal Notes

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Frequently Asked Questions