Salted Spicy Watermelon Margarita Popsicles

Bahan-bahan (8 porsi)

• 4 cups cubed watermelon
• 1 jalapeño, halved and seeded, if desired ((optional))
• 2 -6 tablespoons granulated sugar, using more or less to your taste
• 1/3 cup , plus 1 tablespoon tequila
• 2 tablespoon Cointreau (orange liquor) ((orange liquor))
• 1/2 cup , plus 2 tablespoons lime juice, plus 1 tablespoon lime zest
• 4 kiwi, peeled and chopped
• 2 Persian cucumbers, peeled and chopped
• flaky sea salt, for sprinkling