Mexican “Hot” Chocolate Molten Lava Cakes

Bahan-bahan (4 porsi)

• cocoa powder (for dusting ramekins)
• 1/4 cup (half a stick) unsalted butter, room temperature
• 2 ounces semisweet, bittersweet, or dark chocolate
• 1 large egg
• 1 large egg yolk
• 2 Tbsp . sugar
• 1 tsp . all-purpose flour
• 1/2 tsp . chili powder (optional)
• 1/2 tsp . cinnamon (optional)
• pinch of cayenne
• powdered sugar, for serving