Spinach Noodles with Garlic Sauce

ingredients：（3-4 servings ） spinach 200g all purpose flour 400g salt 2g 1/4 teaspoon green onions 4 garlic 5 cloves chili powder 1g 1/4 teaspoon salt 2g 1/4 teaspoon sugar 2g 1/4 teaspoon oil 30g 2.5 tablespoons vinegar 60g 1/4 cup regular soy sauce 30g 1/8 cup water 125g 1/2 cup sesame seed oil 3g 1 teaspoon