Skip to Content

Chicken Spinach Sandwich

This Chicken Spinach Sandwich has tender juicy Italian seasoned chicken combined with fresh baby spinach leaves, sweet red onion sauce, provolone cheese, and garlic mayonnaise sauce on a deli sandwich roll.

Also known as Chicken Florentine Sandwiches, this recipe is easy and quick, ready in about 30 minutes. These sandwiches make a great lunch, dinner or romantic date night meal for 2.

As an Amazon Associate, I may make a small commission, at no additional cost, if you purchase through product affiliate links in this post.

Grilled Chicken Sandwich on a baking sheet.
Grilled Chicken Sandwich

Have you seen my Cookbook?

Easy Home Cooking For Two – by Zona Cooks features 60 main dish recipes giving you two months’ worth of simple homemade food that will impress any night of the week. NEW LOWER PRICE Check Cookbook Price

How to make Chicken Spinach Sandwiches

Pre-heat the oven to 375 degrees F.

Slice the red onion into rings.

Heat the olive oil in small saucepan over medium-high heat until hot.

Add the red onion and cook about 5 minutes or until crisp-tender, stirring often

Stir in the sugar and apple cider vinegar to the saucepan. Reduce the heat to low and cook 5-10 minutes or until most of liquid has evaporated, stirring occasionally.

red onions sliced into rings cooking in a pan for Chicken Spinach Sandwiches.

Pound the chicken cutlets flat between two pieces of plastic wrap.

Sprinkle both sides with Italian seasoning.

two chicken breasts flattened and seasoned with Italian seasoning.

Grill or pan fry the chicken about 5 minutes on each side, or until browned and juices run clear. (If pan frying, drain off any excess liquid.)

two chicken breasts cooking on a grill.

In a small bowl, combine the mayonnaise and minced garlic.

garlic mayo for Chicken Spinach Sandwiches whisked together in a bowl.

Line a small baking sheet pan with parchment paper.

Place the two sandwich buns, open faced, onto the sheet pan.

Spread each sandwich roll with the mayonnaise mixture.

Layer each sandwich roll bottom with baby spinach leaves, followed by the cooked chicken,  the red onion sauce mixture,  the provolone cheese slices, and the top halves of the buns.

Bake 5 minutes in the pre-heated oven.

Chicken Mayo Sandwich on a tray.
Chicken Mayo Sandwich

You may also enjoy

These great recipes:

Yield: Serves 2

Chicken Spinach Sandwich

a close up front view of a Chicken Spinach Sandwich

This Chicken Spinach Sandwich has tender juicy Italian seasoned chicken combined with fresh baby spinach leaves, sweet red onion sauce, provolone cheese, and garlic mayonnaise sauce on a deli sandwich roll.

Prep Time 5 minutes
Cook Time 25 minutes
Total Time 30 minutes

Ingredients

  • 1/2 of a red onion
  • 1/2 Tbsp olive oil
  • 1 Tbsp sugar
  • 1 Tbsp apple cider vinegar
  • 2 boneless skinless chicken cutlets (4 to 6 oz each)
  • 1/4 tsp dried Italian seasoning
  • 2 sandwich rolls (or buns)
  • 1/8 cup mayonnaise
  • 1 tsp minced garlic (from a jar)
  • 1/2 cup fresh baby spinach leaves
  • 2 slices provolone cheese

Instructions

  1. Pre-heat the oven to 375 degrees F.
  2. Slice the red onion into rings.
  3. Heat the olive oil in small saucepan over medium-high heat until hot.
  4. Add the red onion and cook about 5 minutes or until crisp-tender, stirring often
  5. Stir in the sugar and apple cider vinegar to the saucepan. Reduce the heat to low and cook 5-10 minutes or until most of liquid has evaporated, stirring occasionally.
  6. Pound the chicken cutlets flat between two pieces of plastic wrap.
  7. Sprinkle both sides with Italian seasoning.
  8. Grill or pan fry the chicken about 5 minutes on each side, or until browned and juices run clear. (If pan frying, drain off any excess liquid.)
  9. In a small bowl, combine the mayonnaise and minced garlic.
  10. Line a small baking sheet pan with parchment paper.
  11. Place the two sandwich buns, open faced, onto the sheet pan.
  12. Spread each sandwich roll with the mayonnaise mixture.
  13. Layer each sandwich roll bottom with baby spinach leaves, followed by the cooked chicken,  the red onion sauce mixture,  the provolone cheese slices, and the top halves of the buns.
  14. Bake 5 minutes in the pre-heated oven.

Recommended Products

As an Amazon Associate I may make a small commission, at no additional cost to you, if you make a purchase through product links in this post.

Nutrition Information:

Yield:

2

Serving Size:

1

Amount Per Serving: Calories: 812Total Fat: 38gSaturated Fat: 11gTrans Fat: 0gUnsaturated Fat: 24gCholesterol: 223mgSodium: 876mgCarbohydrates: 46gFiber: 4gSugar: 8gProtein: 69g

Nutrition information is a guideline only, is calculated automatically by third party software, and absolute accuracy is not guaranteed.

Did you like this recipe?

Please leave a comment on this post and pin this recipe on Pinterest.

Chicken Cheese Sandwich on a tray.
Chicken Cheese Sandwich
Chicken Mayo Sandwiches on plates.
Chicken Mayo Sandwiches
Skip to Recipe