Tasty Chicken Romesco Sandwich

Featured in: Tasty Grilled Dishes for Every Season

Fancy sandwich featuring crunchy chicken, zesty romesco sauce, and garden greens on garlicky focaccia. Ready in 30 minutes, feeds 2, ideal for warm weather dining.
Lily chef cooking Cookingwithmee blog.
Updated on Sat, 26 Apr 2025 14:28:56 GMT
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This Crispy Chicken Romesco Sandwich takes your average chicken sandwich to a whole new level. After tweaking this dish many times, I've found that what makes it shine is the interplay between the super crunchy chicken and the nutty, thick romesco sauce, all complemented by a zesty, fresh salad mix.

I brought these to a get-together last week, and nobody could believe how the romesco turned a basic chicken sandwich into something special. The trick? Taking your time with the chicken coating and letting the sauce flavors come together properly.

Key Ingredients and What They Do

  • Sun-dried tomatoes: Give the sauce a deep, savory kick
  • Fresh herbs: Add brightness to every part of the sandwich
  • Focaccia: Works perfectly with the fillings thanks to its oil-infused, fluffy structure
  • Roasted red peppers: Create sweetness and richness in the romesco base
  • Panko breadcrumbs: Make a way better crunch than standard breadcrumbs
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Step-by-Step Cooking Guide

Assembly Strategy
Toast your bread right before putting everything together. Stack ingredients in a way that keeps the sandwich stable. Put the salad in last so it stays crisp. Wrap in parchment paper for a clean eating experience.
Getting the Chicken Just Right
Flatten chicken to make it cook evenly. Add some salt and pepper to your breadcrumbs. Keep one hand for wet stuff and one for dry when coating. Don't try to cook too many pieces at once.
Making Great Romesco
Lightly toast the nuts first for better flavor. Pour in liquid bit by bit to get the texture right. Keep tasting and tweaking as you go. Let it sit a while so flavors can blend.
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I've learned through trial and error that making more romesco sauce than you need is always smart. It tastes fantastic on everything from roasted veggies to grilled meat dishes.

This sandwich has everything working together perfectly. The way the crunchy chicken works with the smooth romesco while the fresh salad adds a light touch makes something that's both fancy and totally satisfying.

Prepping Ahead for Easy Meals

Get your components ready for quick assembly:
The romesco can be made 5 days in advance
Store garlic butter in your refrigerator
Cook chicken beforehand and warm in the oven to bring back the crunch
Clean and dry your greens early

Fixing Common Problems

From making tons of these sandwiches, here's what works:
For chicken that isn't crunchy enough: Use two coats of breadcrumbs
For romesco that's too dense: Add a bit more olive oil
For soggy bread: Toast it longer next time
For wilting greens: Only add dressing right when serving

Great Side Dish Ideas

Make your meal complete with:
Crunchy potato wedges with garlic mayo
Orzo salad with Mediterranean flavors
A bowl of marinated olives
Fennel slaw with citrus dressing

Ways to Make It Your Own

Switch things up based on what you like:
Go Italian: Add some prosciutto and fresh mozzarella
Make it garden-style: Put in cucumber slices and radishes
Spice it up: Mix in some chipotle mayo and pickled jalapeños
Try Mediterranean: Top with grilled eggplant and feta cheese

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This Crispy Chicken Romesco Sandwich isn't just lunch, it's a whole experience. Whether you're enjoying it outside or at your table, the mix of crunchy chicken, rich sauce, and crisp veggies makes something you won't forget.

Great sandwiches don't happen by accident. From chicken with the right seasoning to perfectly toasted bread, every part matters. The way the romesco works with the crunchy chicken while the fresh salad adds that perfect brightness means you get the ideal mix of flavors and textures in every bite.

This dish shows that sandwiches can be both comforting and impressive. By combining familiar elements with the unique romesco, you get a lunch option that'll quickly become one of your favorites.

Frequently Asked Questions

→ Can I make the romesco sauce ahead?
Absolutely, you can prep it up to 3 days early and keep it in the refrigerator.
→ What can I substitute for focaccia?
Any hearty bread works fine - try ciabatta or a nice sourdough instead.
→ Can I use pre-made chicken cutlets?
Sure thing, grab some pre-breaded cutlets to cut down your cooking time.
→ How long do these sandwiches keep?
They're tastiest when fresh, but you can wrap them and pop them in the fridge for a day.
→ Can I make the romesco sauce nut-free?
You bet, just swap the almonds for sunflower seeds in your sauce.

Crispy Chicken Romesco Bread

Crunchy panko chicken topped with zesty homemade romesco and garden greens between slices of garlicky parmesan focaccia.

Prep Time
20 Minutes
Cook Time
10 Minutes
Total Time
30 Minutes
By: Lily

Category: Grilled Favorites

Difficulty: Intermediate

Cuisine: American-Italian

Yield: 2 Servings (2 sandwiches)

Dietary: ~

Ingredients

→ For the Chicken

01 2 chicken breasts cut in half for 4 thin pieces
02 50g all-purpose flour
03 50g crunchy panko crumbs
04 1 egg beaten
05 2 tablespoon olive oil

→ For the Romesco Sauce

06 2 cloves garlic
07 2 roasted red peppers from jar
08 4 oil-packed dried tomatoes
09 2 tablespoon almond pieces
10 ½ tablespoon dark balsamic
11 4 tablespoon extra virgin oil
12 1 tsp smoked paprika
13 2 tsp sea salt

→ For the Salad

14 2 tablespoon tangy sour cream
15 1 tablespoon creamy mayo
16 ½ lemon juiced
17 1 tablespoon fresh grated parm
18 5 little gem leaves sliced thin
19 Small bunch of peppery rocket

→ For Assembly

20 2 fresh focaccia breads
21 4 tablespoon soft butter
22 5g fresh parsley chopped fine
23 3 garlic cloves finely diced
24 Chunk of parmesan for grating

Instructions

Step 01

Cut chicken flat, dip in flour, then egg, then panko. Cook in hot oil about 4 minutes each side until crispy and golden.

Step 02

Throw all sauce stuff in blender and whizz until smooth. Add a splash more oil if it's too thick.

Step 03

Stir together the cream, mayo, lemon, cheese and some black pepper. Toss with your greens.

Step 04

Combine soft butter with chopped garlic and parsley. Spread on bread, sprinkle with cheese, then grill till toasty.

Step 05

Spread sauce on bread, add chicken, pile on salad, then top with other bread slice. Wrap in paper.

Notes

  1. You can make these ahead and keep them cold
  2. Feel free to make twice as many
  3. They taste way better right after making

Tools You'll Need

  • Food processor
  • Large skillet
  • Broiler
  • Several bowls

Allergy Information

Please check ingredients for potential allergens and consult a health professional if in doubt.
  • Watch out for almonds
  • Has milk products
  • Contains egg
  • Made with wheat

Nutrition Facts (Per Serving)

It is important to consider this information as approximate and not to use it as definitive health advice.
  • Calories: 1216
  • Total Fat: 67 g
  • Total Carbohydrate: 88 g
  • Protein: 74 g