Cheddar, Roasted Onion and Apple Tartines

4 Servings

45 minutes 25 minutes active

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Using a few basic pantry ingredients, we’ve transformed the classic grilled cheese into delicious open-faced savory-sweet tartines. Thinly sliced apples and onion are roasted in a hot oven to caramelize them and bring out their natural sweetness. They’re layered on pieces of baguette with cheddar, Parmesan and a piquant mustard butter, then baked until toasty. Complete the meal with a tossed green salad, if you like.



45 minutes

25 minutes active


  • 2

    large apples, preferably Granny Smith, peeled, cored and cut into ⅛-inch wedges

  • 1

    large red OR yellow onion, halved and thinly sliced


Barbara R.
February 23, 2023
Delightful Surprise
Had all of the ingredients (including a homemade baguette) so I threw this together for a delicious last-minute dinner. The mustard butter adds wonderful flavor. This recipe is a definite keeper.
Christopher H.
December 18, 2022
Missing a spice
It was good, however a little spice to help the flavors.
Patricia H.
December 24, 2022
Used regional supermarket Wegman's ParmCheddar as the only cheese and added 4 tsp white wine vinegar since my on hand apples were sweeter than Granny Smiths. Served with rolled up ham slices from pre-Christmas family get-together