Creamy Curry Noodles with Crispy Tofu

Name: Creamy Curry Noodles with Crispy Tofu
Ingredients: 1 (16-ounce) package extra firm tofu, drained; 3¼ teaspoons kosher salt; 1 pound baby bok choy; 1 bunch green onions; 2 to 3 cups vegetable oil; 2 large shallots, thinly sliced; 1¼ teaspoons sugar; 1 (8-ounce) package udon noodles; 2 tablespoons toasted sesame oil; 1 tablespoon minced garlic; 2 teaspoons minced, peeled fresh ginger; 2 teaspoons red curry paste; 1 tablespoon yellow curry powder; 1 (14-ounce) can full-fat coconut milk; 1 tablespoon low-sodium soy sauce