Twice-Baked Sweet Potatoes with Bacon-Sesame Brittle

INGREDIENTS

• 1 2/3" piece ginger, peeled, finely grated (about 2 teaspoons)
• 2 large eggs
• 2 1" pieces scallion (dark-green parts only), thinly sliced lengthwise
• 1/3 cup sugar
• 1 tablespoon sesame seeds
• 3 tablespoons unsalted butter, room temperature
• 2 tablespoons white miso (fermented soybean paste)
• 6 medium sweet potatoes (6-8 ounces each)
• 4 slices bacon, cut into 1/2"-wide pieces