Competition-Style Smoked Spam Musubi

In a small saucepan, combine soy sauce, granulated sugar, and rice vinegar. Bring to a simmer over medium heat, stirring until sugar dissolves. Cook for 2-3 minutes until slightly thickened. Remove from heat and set aside. Cook the short-grain sushi rice according to package directions or using a rice cooker (typically 2 cups rice to 2.5 cups water).

Begin by whisking 3 tbsp soy sauce, 2 tbsp brown sugar, 1 tbsp mirin, and 1 tsp grated ginger in a small bowl until the sugar is fully dissolved. This mixture provides the high-sugar content necessary for Maillard browning in the smoker. Open the Spam can and slice the loaf into 8 even planks, approximately 1/2 inch thick; uniform thickness is essential for even smoke absorption and heat distribution. These slices will serve as our protein canvas for the smoke and glaze application.

Open the can of Spam and slice the block into 6-8 equal pieces (about 1/4 to 3/8 inch thick). Pat the slices dry with paper towels to encourage better smoke adhesion.

Preheat your smoker to a stable 250°F using guava or apple wood for a mild, sweet smoke profile. Clean the grates thoroughly to ensure the Spam releases easily without tearing. In competition and instructor-grade cooking, temperature stability is key to avoiding 'the danger zone' of 40-140°F too quickly while still allowing enough time for smoke particulates to adhere to the surface. Ensure your fire is burning clean with 'blue smoke' to avoid a bitter creosote flavor on the delicate glaze.

Preheat your smoker or pellet grill to 250°F. Add guava or apple wood chunks or pellets to the firebox according to your smoker's instructions. Arrange the Spam slices directly on the grill grates.

Place the 8 Spam planks directly on the grill grates, ensuring at least one inch of space between each piece for maximum airflow. Smoke for 20 minutes without opening the lid. During this phase, the heat begins to render the surface fats, creating a tacky surface that allows smoke to penetrate. You are looking for the edges to slightly darken and the pink color to transition into a deeper rose hue. This step is critical for developing the 'bark' or base color before the wet glaze is applied.

Liberally brush the top of each Spam plank with the soy-ginger glaze. Close the lid and smoke for another 15-20 minutes until the internal temperature of the Spam reaches 160°F for food safety and optimal texture. The sugar in the 2 tbsp of brown sugar and 1 tbsp mirin will caramelize, creating a sticky, mahogany-colored lacquer. For professional results, flip the planks during the last 5 minutes and glaze the second side for full coverage and uniform appearance.

Smoke the Spam slices for 20 minutes, then open the lid and brush both sides liberally with the prepared teriyaki glaze. Close the lid and continue to smoke for another 15 minutes. Brush again and continue to smoke for 5-10 minutes until the glaze is tacky and slightly caramelized.

While the Spam is finishing in the smoker, prepare the foundation using 3 cups of seasoned, cooked sushi rice. Place the musubi mold on a clean surface and pack approximately 1/3 cup of rice into the bottom. Use the press tool to apply significant downward force, creating a dense 1-inch thick block. This compression is vital; the starch in short-grain rice acts as the 'glue' that holds the snack together. The rice should be warm, not cold, to ensure it remains pliable and adhesive.

Once the Spam is nicely glazed and caramelized, remove it from the smoker. Let the smoked Spam rest on a cutting board or plate for 5-10 minutes.

Place a half-sheet of nori on a clean surface. Lightly oil your musubi mold to prevent sticking. Place the mold in the center of the nori. Fill the mold with a layer of cooked rice (about 1/2 inch thick) and press down firmly. Place a slice of smoked, glazed Spam on top of the rice. Press down again firmly with the mold's press. Carefully lift the mold, leaving the rice and Spam on the nori. Wrap the nori ends over the top of the Spam, securing it.

Place a hot Spam plank on the pressed rice block while still in the mold and press one final time to bond the sticky glaze to the rice. Remove the mold and place the block in the center of a halved nori sheet (rough side up). Wrap the nori tightly around the middle, overlapping the ends at the bottom. The residual heat and moisture from the 160°F Spam and warm rice will naturally hydrate the seaweed, creating a 'shrink-wrap' seal that locks the components together. Allow to rest for 5 minutes before serving to ensure the nori has softened for a clean bite.