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Gluten Free Ratatouille Sandwiches Recipe

If it’s too cold to go outside and barbecue, that’s OK! You can still get all the flavor and smokiness of an old-fashioned cookout in your kitchen, in your very own slow cooker.

This is one of my favorite indoor barbecue recipes, I hope you enjoy it!

I love how the vegetables break down and create a delicious gravy after slow cooking all day. Cooked eggplant is the star of this dish, and it blends with the red onion and bell peppers in such a wonderful way.

5 from 2 votes
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Gluten Free Ratatouille Sandwiches

This indoor barbecue recipe includes lots of healthy fresh produce that cook into a gravy in the slow cooker.
Prep Time10 mins
Cook Time8 hrs
Total Time8 hrs 10 mins
Course: Main Course
Cuisine: American
Servings: 8 Servings
Calories: 236kcal


  • 1 eggplant peeled, quartered, and sliced
  • 1 red onion peeled and sliced into thin rings
  • 1 red bell pepper seeded and sliced
  • 1 orange bell pepper seeded and sliced
  • 1 medium zucchini thinly sliced
  • 2 small yellow summer squashes thinly sliced
  • 3 ripe tomatoes quartered
  • ¼ cup prepared pasta sauce
  • 1 tablespoon extra-virgin olive oil
  • ½ teaspoon kosher or fine sea salt
  • ¼ teaspoon freshly ground black pepper
  • 8 gluten-free hamburger buns or hoagie rolls toasted
  • 8 slices Swiss or provolone cheese


  • Use a 6-quart slow cooker. Put the eggplant, onion, bell peppers, zucchini, squash, and tomatoes into the insert. Add the pasta sauce, oil, salt, and pepper. Stir to combine.
  • Cover and cook on low for 8 hours, or until the vegetables have broken down quite a bit and the onion is translucent. Serve on toasted gluten-free buns with a slice of cheese.


Nutrition Facts
Gluten Free Ratatouille Sandwiches
Amount Per Serving
Calories 236 Calories from Fat 54
% Daily Value*
Fat 6g9%
Saturated Fat 1g5%
Sodium 574mg24%
Potassium 476mg14%
Carbohydrates 45g15%
Fiber 5g20%
Sugar 9g10%
Protein 3g6%
Vitamin A 1460IU29%
Vitamin C 55.4mg67%
Calcium 38mg4%
Iron 1mg6%
* Percent Daily Values are based on a 2000 calorie diet.
Disclaimer: All nutrition facts on Gluten Free & More are meant only as a guide and may differ depending on product brands used or ingredient substitutions. Some errors may occur, so you are encouraged to confirm the recipe’s ingredient and nutrition suitability for your own diet.
Have you tried this recipe? Give it a star rating and let us know your thoughts in the Ratings & Reviews section below.
Tags: Barbecue Dinner Lunch Magazine Sandwich Stephanie O'Dea
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