Heat oil in a dutch oven over med heat. Add garlic and cook, stirring constantly, until fragrant, but not brown, 30 sec. Add bok choy and mushrooms, cook, stirring until wilted, 2 min. Continue cooking, stirrng often until just tender, 3-5 min more. Stir in oyster sauce, sesame oil, and salt. Garnis with sesame seeds.
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