Shrimp Toasts With Sesame Seeds and Scallions

Name: Shrimp Toasts With Sesame Seeds and Scallions
Ingredients: 10 ounces shrimp, peeled, deveined; 2 tablespoons hot chile paste (such as sambal oelek); 2 teaspoons finely grated lemongrass; 2 teaspoons fish sauce (such as nam pla or nuoc nam); 1 teaspoon finely grated peeled ginger; Kosher salt; 2 scallions, green and white parts separated, thinly sliced crosswise; 1/4 cup white sesame seeds; 4 slices white bread, 1/4 inch thick, crusts removed; Vegetable oil (for frying; about 1 cup)