Whereas the potatoes are cooking, on a calmly oiled quarter sheet pan or a 9-by-13-inch pan, toss the sprouts with the Aleppo pepper or chile powder, 1/2 teaspoon of crushed pink pepper flakes, if utilizing, 1/2 teaspoon of garlic powder. Dot with the butter. Roast for five minutes, then toss and return to the oven for one more 5 minutes, or till simply beginning to brown. Take away the pan from the oven and stir within the shrimp. Return to the oven for an extra 3 to five minutes, or till the shrimp are pink, curled and cooked by way of.