Yuzu Hearts of Palm Salad

1 (14-ounce) can Reese Sliced Hearts of Palm, drained 

1/2 cup fresh lemon juice 

1/4 cup extra-virgin olive oil

1 tsp fine sea salt, plus more to taste

1/4 tsp freshly ground black pepper, plus more to taste

1 cup chopped tomatoes

Flesh of 1 avocado, diced

1 medium Persian cucumber, peeled and diced (1 1/2 cups)

1/2 jalapeño chile pepper, stemmed and finely chopped

1 small bunch fresh cilantro, finely chopped (1 cup)

1 tsp black sesame seeds, for garnish (optional)

Tortilla chips or tostadas, for serving