Tuna Melt with Straus Family Creamery Organic Greek Yogurt - Sara Tane

Ingredients

• 1 can tuna, drained and flaked
• 1/3 cup Straus Family Creamery Organic Whole Plain Greek Yogurt, plus more for spreading
• 1 stalk celery, finely chopped
• 3 tablespoons finely chopped red onion
• 1 baby dill pickle, finely chopped plus 1 teaspoon pickling liquid
• 2 tablespoons fresh dill, finely chopped
• 1 teaspoon Dijon mustard
• Kosher salt and black pepper, to taste
• 2 slices sourdough bread
• 2 tomato slices
• 2 slices cheddar cheese
• Olive oil, for cooking