Spicy Watermelon Salad

Name: Spicy Watermelon Salad
Cuisine: American
Ingredients: 1 small grapefruit, preferably red; 1 small jalapeño, seeded and thinly sliced; Pinch of sea salt; 1 small bunch watercress; 1 small bunch arugula; 2 cups cubed watermelon; 1 medium avocado, pitted peeled and sliced; 4 mint sprigs, coursely chopped; 1 tbsp olive oil; Fresh lime juice; Slivered almonds (optional); Pink Himalayan salt