Preheat oven to 425 degrees F
Toss the brussel sprouts and sweet potatoes directly in the baking sheet pan (yes, let's reduce the number of dishes to wash by skipping straight to mixing IN the baking sheet :D)
Drizzle and coat vegetables with oil, and sprinkle with salt and pepper to taste, and carefully mix all together, making sure the brussel spouts and sweet potatoes are coated. Take a taste/lick the wooden spoon to taste if salty enough. Add more salt and pepper, if needed.
Put in oven at 425 degrees F for 25 minutes
Lemon Honey Vinaigrette Time!!! While the veggies roast, grab a separate bowl to whisk together the lemon honey vinaigrette
Squeeze lemon, and add honey to a small bowl
Drizzle in the oil, dash in salt and pepper to taste, and "whisk" together (I use chopsticks or a fork)
Take brussel sprouts and sweet potatoes out of the oven. Brussel sprouts should be a light golden brown, and sweet potatoes should be cooked through (when poked at with fork).
Plate the roasted brussel sprouts and sweet potatoes, and drizzle the lemon honey vinaigrette evenly over.