Grilled Squash and Scallions with Chile Honey Vinaigrette

Name: Grilled Squash and Scallions with Chile-Honey Vinaigrette
Ingredients: 2 tbsp. vegetable oil; 1⁄2 tsp. crushed red chile flakes; 1 tbsp. champagne vinegar; 2 tsp. honey; 1 1⁄2 tsp. fresh lemon juice; Kosher salt and freshly ground black pepper; 1 1⁄2 lb. summer squash or zucchini, or a mix of both, cut into 2-by-1-inch pieces; 2 scallions, trimmed; 10 mint leaves, torn by hand