2 1/2 tablespoons canola oil, divided
3 tablespoons rice vinegar
2 tablespoons white miso
1 tablespoon minced peeled ginger
1 tablespoon minced garlic
1 tablespoon lower-sodium soy sauce
1 1/2 teaspoons sugar
1 teaspoon dark sesame oil
4 ounces uncooked organic soba noodles
1 (14-ounce) package extra-firm tofu, drained
1 bag of Broccoli, divided into bite sized pieces
1/4 cup thinly sliced green onions