Mix the yeast, sugar, and warm water in a container wide enough to dip skewers. Combine the flour and salt in a separate bowl. Once the yeast mixture foams slightly, stir it into the dry ingredients. Cover and let it rise for at least 1 hour.
1 packet active dried yeast, 4 tbsp white sugar, 250 ml warm water, 250 g plain flour, 1/2 tsp salt
Meanwhile, cut the cheese into four rectangular pieces. Cube two of the rectangles, leaving the other two intact. Slice the Frankfurter in half, then cut one half into quarters and the other half into two equal pieces.
120 g Dragon Mature Welsh Cheddar, 1 Frankfurter sausage
Thread the halved sausage pieces and rectangular cheese onto two skewers, alternating between sausage and cheese. For the other two skewers, alternate cubed cheese and sausage, finishing with cheese on top.
120 g Dragon Mature Welsh Cheddar, 1 Frankfurter sausage
Dice the French fries and toss with the cornflour. Roll each skewer lightly in plain flour, dip it into the batter using a twisting motion, and coat evenly. Roll the batter-coated skewer in the diced fries, pressing lightly to help them stick, and then coat with panko breadcrumbs. Freeze for 20 minutes.
200 g frozen French fries, 25 g cornflour
Heat the oil to 190°C (350°F) in a deep-fat fryer or skillet. Fry the corn dogs for 3–5 minutes, turning occasionally if using a pan, until golden brown. Drain on a rack or kitchen towel and let cool for 5 minutes.
Vegetable oil for frying
Mix the mayonnaise and gochujang until smooth.
Roll the fried corn dogs in the remaining sugar and drizzle with gochujang mayonnaise, or serve it as a dipping sauce.
4 tbsp white sugar, 2 tsp gochujang, 2 tbsp mayonnaise