Crispy Bottom Veggie Buns

Name: Crispy Bottom Veggie Buns
Cuisine: Asian
Ingredients: 300g [~2 ½ cups] all-purpose flour (see notes below if using cups)⁣; 175ml [¾ cup] hot boiling water⁣; pinch of salt⁣; ½lb (250g) green beans, chopped⁣; 16oz firm tofu, pressed & mashed⁣; 1 small carrot, finely chopped⁣; a handful of chopped cilantro⁣; 2 teaspoons toasted sesame oil, 1 teaspoon salt, a few shakes of white pepper⁣; oil for cooking; sesame seeds; chopped green onion⁣