01 - Set oven temperature to 350°F (175°C).
02 - Using a brush, evenly coat both sides of each flour tortilla with melted butter.
03 - In a small bowl, combine granulated sugar and ground cinnamon. Sprinkle this mixture over both sides of the buttered tortillas.
04 - Slice each tortilla into 6 to 8 wedges. Lay them flat on parchment-lined baking sheets, ensuring they do not overlap.
05 - Bake chips for 10 to 12 minutes, turning once midway, until golden and crisp. Remove from the oven and allow to cool completely.
06 - In a large mixing bowl, gently combine watermelon, cucumber, red bell pepper, red onion, cilantro, and jalapeño.
07 - Add freshly squeezed lime juice, salt, and honey if desired. Toss the mixture gently to ensure even distribution.
08 - Present the salsa chilled or at room temperature alongside the cinnamon tortilla chips.