Avocado Corn Salad - Fresh-Pressed Olive Oil

Ingredients

• 1 pound grape or cherry tomatoes, red, yellow, or a mix, halved
• 3 ears of cooked sweet corn (grilled or boiled), shucked and sliced off the cob
• 2 avocados peeled, pitted, and diced
• 1 small red onion, peeled, quartered lengthwise, and thinly sliced
• 1 cup cooked black beans, drained and rinsed if canned (optional)
• 1/4 cup roughly chopped cilantro leaves
• Butter lettuce leaves, such as Little Gem, for serving (optional)
• 1/3 cup extra virgin olive oil
• 1/4 cup fresh lime juice (from 1 to 2 limes), or more to taste
• 1 tablespoon rice wine vinegar
• 1 to 2 garlic cloves, peeled and finely minced
• 1 teaspoon coarse salt (kosher or sea), or more to taste
• 1 teaspoon merquén (see Notes below) or chili powder
• 1/2 teaspoon black pepper