Watermelon Feta Sandwich10 mins prepServes 1A simple watermelon feta sandwich featuring feta cheese, red onion, arugula, olive oil, and salt and pepper. The creator plans to substitute mint for arugula in the future due to an abundance of mint in their garden.US standardMetric-1 servings+SharePrintWhat you need1 feta1 red onion1 arugula1 splash olive oil1 dash salt1 dash pepperCheckout experienceCheckout experienceInstacartCheckout experienceInstacartShop ingredientsInstructions1: Slice the watermelon. 2: Assemble the sandwich with feta, red onion, arugula, and drizzle with olive oil. 3: Season with salt and pepper.View original recipe