Heirloom Tomato Halloumi Sandwich

Name: Heirloom Tomato Halloumi Sandwich
Prep time: 10 min
Cook time: 5 min
Total time: 15 min
Ingredients: ½ cup Basil; 2 tbsp Walnuts; 2 tbsp Parmesan; 1 Garlic clove; 3 tbsp Olive oil; ½ tsp Lemon juice; Salt; Pepper; 3 tbsp Mayo; 2 tbsp Pesto; 1 tsp Lemon juice; Black pepper; 2 Thick slices sourdough; 3 to 4 Thick slices of halloumi; 1 Large heirloom tomato; Fresh basil

It is like a vegetarian BLT. Crispy golden halloumi, thick juicy heirloom tomatoes, walnut basil pesto aioli, fresh basil between perfectly toasted sourdough

Total time: 15 min
Serves: 1 sandwich
Updated: September 14, 2026
Recipe by: Saba

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The recipeDine in Colors

Heirloom Tomato Halloumi Sandwich

Prep: 10 min
Cook: 5 min
Total: 15 min
Serves: 1 sandwich

Ingredients

Walnut Pesto

(or use store bought pesto)

½ cup Basil
2 tbsp Walnuts
2 tbsp Parmesan
1 Garlic clove
3 tbsp Olive oil
½ tsp Lemon juice
Salt
Pepper

Pesto Aioli

3 tbsp Mayo
2 tbsp Pesto
1 tsp Lemon juice
Black pepper

Sandwich

2 Thick slices sourdough
3 to 4 Thick slices of halloumi
1 Large heirloom tomato
Fresh basil

Instructions

Pesto and Aioli

Step 1Blend pesto ingredients until creamy but slightly textured. Mix 2 tsp pesto with the aioli ingredient

Sandwich

Step 2Thickly slice tomato, lightly salt, and rest on a paper towel for 5 to 10 minutes. Blot dry.
Step 3Toast sourdough. In a nonstick pan cook halloumi for 1 to 2 minutes per side, until golden.
Step 4Layer pesto aioli, halloumi, tomato and pepper, basil and more aioli
Step 5Slice and Enjoy!

https://www.dineincolors.com/recipes/heirloom-tomato-halloumi-sandwich