Prepare vermicelli noodles per package directions.
Stir-fry tofu. Heat a wok or large skillet over medium-high heat. Add cooking oil. Fry until tofu is crispy, and then remove from pan.
To same skillet (or wok) add additional cooking oil if needed and stir-fry the garlic, ginger, and white parts of scallion until aromatic, about 30 seconds. Toss mushrooms, carrots and broccoli and stir-fry continuously for 2 minutes. Add vegetable broth, soy sauces, rice vinegar, sesame oil and sugar and bring to a simmer.
To serve, pour broth and veggie mixture over vermicelli noodles and top with fried tofu. Add a squeeze of lime juice. Bring soy sauce for the table.