Part 1: Preparation and the First Freeze

1. Prepare Your Workstation: Set up three shallow dishes or pie plates for your dredging station.
2. Cut the Cheese: Unwrap the block of low-moisture mozzarella. Pat it dry with a paper towel to remove any excess moisture. Cut the block into sticks, approximately ½-inch thick and 3 inches long. You should get about 24 sticks from a 16-ounce block.
3. Prepare the Dredging Stations:

   • Station 1 (Flour): In the first shallow dish, whisk together the all-purpose flour and half of your seasoning mix (1 tsp garlic powder, 1 tsp onion powder, ½ tsp oregano, ½ tsp salt, ¼ tsp black pepper).
   • Station 2 (Egg Wash): In the second dish, whisk the 4 large eggs and 2 tablespoons of milk or water until smooth and uniform.
   • Station 3 (Breadcrumbs): In the third dish, combine the Panko breadcrumbs, Italian-style breadcrumbs, and the remaining half of your seasoning mix. Use your fingers or a whisk to distribute the seasonings evenly throughout the breadcrumbs. Combining Panko and Italian breadcrumbs gives you the ultimate texture: the Panko for light airiness and crunch, and the Italian crumbs for flavor and a finer coating.

4. The First Freeze (Crucial Step!): Line a baking sheet or large plate with parchment paper. Arrange the naked mozzarella sticks on the sheet in a single layer, ensuring they don’t touch. Place the baking sheet in the freezer for at least 30 minutes. Do not skip this step! Freezing the cheese before breading helps it stay firm during the dredging process and is the first line of defense against cheese blowouts during frying.

Part 2: The Double Dredge and the Second Freeze

1. First Dredge: After the first freeze, remove the cheese sticks from the freezer. Working one stick at a time, follow this sequence:

   • Roll a frozen stick in the seasoned flour mixture, coating it completely. Gently tap off the excess.
   • Dip the floured stick into the egg wash, making sure every part is covered. Let any excess egg drip back into the dish.
   • Immediately transfer the stick to the breadcrumb mixture. Roll it around, pressing gently to ensure the crumbs adhere to all sides and ends.
   • Place the breaded stick back onto the parchment-lined baking sheet. Repeat with all the sticks.

2. Second Dredge for an Impenetrable Crust: This is the secret to a thick, restaurant-quality crust that won’t leak. Once all the sticks have one coat, repeat the process.

   • Take a single-coated stick and dip it back into the egg wash.
   • Roll it again in the breadcrumb mixture, pressing firmly to create a thick, durable shell. This second layer is what locks in the cheese.
   • Place the double-coated stick back on the parchment paper.

3. The Second Freeze (Even More Crucial!): Once all sticks are double-coated, place the entire baking sheet back into the freezer for at least 1 hour, or up to 3 months for a make-ahead appetizer. They must be frozen solid before frying. This ensures the breading cooks to a perfect golden brown before the cheese has a chance to melt and escape.

Part 3: Frying to Golden Perfection

1. Heat the Oil: In a large, heavy-bottomed pot or Dutch oven, pour in oil to a depth of about 2 inches. Heat the oil over medium-high heat until it reaches 365°F (185°C). Use a deep-fry or candy thermometer for accuracy. If you don’t have one, test the oil by dropping in a pinch of breadcrumbs; if they sizzle vigorously and turn golden in about 30 seconds, the oil is ready.
2. Fry in Batches: Carefully place 4-5 frozen mozzarella sticks into the hot oil. Do not overcrowd the pot, as this will lower the oil temperature and result in greasy, soggy sticks.
3. Cook Quickly: Fry for 60-90 seconds, turning them gently with a spider strainer or tongs, until they are a deep golden brown on all sides. This happens fast! Watch them closely. The moment you see any hint of cheese starting to ooze, they are done.
4. Drain and Season: Immediately remove the sticks from the oil using a spider strainer and place them on a wire rack set over a baking sheet to drain. Do not place them on paper towels, which can trap steam and make the bottoms soggy. While they are still hot, sprinkle them with a tiny pinch of extra salt if desired.
5. Serve Immediately: Mozzarella sticks are best enjoyed hot and fresh while the cheese is molten and gooey. Serve with a bowl of warm marinara sauce for dipping.