Summer Tomato Sandwich

By ltrodrigu

Ingredients

• 1 egg yolk, at room temperature
• 2 tablespoons white wine vinegar
• 1/2 teaspoon Dijon mustard
• 2 teaspoons water
• 1 cup olive oil
• salt, to taste
• freshly ground black pepper, to taste
• 2 slices whole-grain bread, toasted or grilled
• 1 heirloom tomato, sliced
• flaky sea salt, to taste
• fresh basil leaves, optional

Preparation

Step 1

In a food processor, puree egg yolk, vinegar, mustard and water. With motor running, drizzle in oil until the mixture looks like mayonnaise. Season with salt and pepper.

Slather the mayonnaise on 2 slices of prepared bread. Place a few slices of tomato on top of each and season with sea salt and pepper. Top with basil, if desired.