Preheat the oven to 350°F. Butter two 9-inch-diameter cake pans and dust with flour.: The scent of a warm oven creates anticipation, and preheating ensures even baking from the moment the pans go in. When you butter and flour the pans, the surface should gleam slightly with a thin film of fat and a light dusting of flour, which prevents sticking and promotes an even release. A common mistake is to skip flouring after buttering, which can cause the cake to cling to the pan and tear when removed. If your oven runs hot, consider checking the internal temperature with an oven thermometer to avoid over browning. I prefer using room temperature pans so the batter spreads evenly rather than shocking a cold surface.
Sift flour and next 7 ingredients (through nutmeg) into a medium bowl.: You will notice the spices mingle visually as the warm brown specks combine with the pale flour, releasing a fragrant spice aroma as you sift. Sifting distributes the baking powder , allspice , baking soda , and salt evenly so the cake rises uniformly and the spice pockets do not create bitter bursts. A frequent error is to eyeball dry ingredients without sifting, which can yield uneven texture and lumps of spice. Use a whisk if you lack a sifter, and take a moment to inhale the blended spices, they hint at the final cake's character.
Using electric mixer, beat both of the sugars and the oil in a large bowl until combined (mixture will look grainy). Add the eggs, 1 at a time, beating until well blended after each addition. Add the pumpkin, vanilla, and orange zest; beat until well blended. Add the flour mixture; beat just until incorporated. Divide the batter between the prepared pans.: The mixing begins with the sugar and oil creating a sandy, grainy texture that glitters slightly under light, which is normal. As you add each egg , the batter will smooth and thicken, with a faint sheen and a richer aroma; pause to scrape down the bowl so everything incorporates. When you fold in the pumpkin, the batter will deepen in color to a warm orange brown and take on a moist, supple quality. Adding the dry sifted mixture should be done gently and stopped as soon as streaks disappear to keep the cake tender. Over mixing at this stage can create a denser crumb that is less ideal for forming moist cake balls. When dividing the batter, look for even thickness in both pans to ensure similar bake time and uniform crumb texture.
Bake the cakes until a tester comes out clean- about 35-40 minutes. Cool the cakes on a rack.: The kitchen will fill with a spicy, baked aroma, and the cake tops should spring back lightly when touched. Insert a toothpick and expect it to come out mostly clean or with a few moist crumbs, but not wet batter. Allow the pans to rest for 10 minutes before loosening the edges, then invert onto a cooling rack so steam escapes and the crumb firms slightly. A common pitfall is removing the cakes too soon, which can cause them to crumble when you try to handle them. Cooling fully before processing will yield the best crumb consistency.
Line a baking sheet (one that fits in your refrigerator or freezer) with parchment or waxed paper. Remove the cakes in pieces and place them in your food processor. Process to crumbs; dump the crumbs into a large bowl. Add one tub of frosting to the crumb mixture. Mix with the back of a large spoon (or your hands). Add additional frosting, as needed, until the mixture sticks easily together. Form quarter-sized balls with your hands and place onto the prepared baking sheet. Place the balls into the refrigerator and chill until firm (a shorter stay in the freezer would be okay too).: As you break the cake into the processor, the aroma intensifies and the machine transforms soft cake into fine, uniform crumbs that resemble damp sand. When you add a tub of frosting , the mixture will come together gradually, becoming tacky and pliable; this is when you know you have the right ratio. Use your hands to judge texture, forming a ball that holds without crumbling or oozing excess frosting. Chill the balls until they are firm to the touch, which makes inserting sticks and dipping easier; if you skip chilling, the balls may fall apart when dipped. If the mixture is too wet, add a little more crumbs chilled from the freezer, and if too dry add a scant spoonful of frosting. Aim for uniform quarter sized portions so they set and present consistently.
Melt the chocolate in a small glass bowl in the microwave in 30 second intervals. Keep checking and stirring. If you cook it too long, it will harden. It should take about a minute and a half for about a cup of chocolate. When using chocolate chips, I add about a half teaspoon of shortening to assist with smoothing it out. (fyi- white chocolate chips don’t melt well- for this project, I use white chocolate disks found at a specialty baking shop).: Melted chocolate should be glossy and pourable, moving like thick liquid when stirred, with no grainy bits. Microwaving in short bursts prevents overheating, which causes separation or seizing, and stirring between intervals helps distribute heat evenly. If you add a tiny bit of shortening to chips they will become silkier and easier to coat with, which is particularly helpful for white coatings that can be temperamental. Overcooking is the most common error, leading to dull, clumpy chocolate that does not set smoothly. Keep a damp cloth beneath the bowl to stabilize it on your work surface and watch the texture as you go.
You’ll need to work quickly, so make sure you have all of your decorator supplies out. A paper plate is handy to use as a ‘catcher’ for errant sprinkles. Take out your tray of chilled cake balls and set it near your workplace. Place a stick about a half inch into the melted chocolate and then gently push into one of the chilled balls. Hold the ball with your other hand to make sure that it goes in nicely and doesn’t cause it to crack. Gently dip the ball into the melted chocolate and turn quickly to coat. Work over your paper plate to quickly sprinkle decor items onto the melted chocolate. The chocolate dries pretty fast so you need to do the decor right away. Place the decorated pop back onto your baking sheet and let set. Repeat with remaining balls, and melt more chocolate as you go along.: The dipping station should hum with activity, and you will notice steam rising faintly from the warm chocolate while the chilled pops remain cool. When you insert the stick, the coating of chocolate around the base helps anchor the pop, and holding the ball steady prevents it from cracking or falling. As you dip, the chocolate should flow smoothly around the ball, creating an even glossy shell; if it looks blotchy or streaky it may need a quick stir or reheating. Immediately add sprinkles while the chocolate is wet, because it sets quickly into a crisp shell that locks decorations in place. A typical slip up is not having enough workspace or supplies ready, which slows the process and causes chocolate to thicken mid session. Keep extras of melted chocolate handy, and if it cools, warm gently in 10 second bursts to restore fluidity.
Pops should be stored in the refrigerator until ready to serve. These are okay to make 24 hours in advance.: Once set, the coating takes on a satisfying snap when bitten, and the chilled interior offers a cool, creamy contrast. Refrigeration maintains shape and stability, especially in warm environments where the coating could soften. If you plan to make them a day ahead, store them in a single layer on a tray or in an airtight container to keep decorations intact. Avoid stacking pops which can smudge decorations or dent the coating. A frequent oversight is leaving them at room temperature too long, which can cause the coating to soften and decorations to slide; keep them chilled until just before serving.