Place 1 in. of water in a saucepan; add broccoli. Bring to a boil. Reduce heat; cover and simmer for 5-8 minutes or until crisp-tender.
Meanwhile, in a small saucepan, heat the sesame oil, canola oil and red pepper flakes over medium heat for 2 minutes or until hot. Stir in the soy sauce, garlic, sugar and lemon juice. Cook and stir for 1-2 minutes or until sugar is dissolved. Remove from the heat.
Drain broccoli and transfer to a serving bowl. Pour garlic sauce over; toss to coat. Serve warm or chilled with a slotted spoon.