Preheat the Combi Steam oven to 100 °C steam. Line a universal pan with baking paper.
Make Chimichurri
Finely chop 1 bunch parsley. Finely slice and deseed 1-2 small red chillis In a small bowl, combine parsley, chilli, ½ cup olive oil, 2 tbsp red wine vinegar, ½ tsp oregano, 1 tsp salt and ½ tsp black pepper. Set aside.
Steam
Add 750 g baby potatoes to a large perforated steam container. Place in the preheated Combi Steam oven for 20 minutes. Remove from the combi steam oven and stand for 10 minutes. Adjust the Combi Steam function to fan forced and preheat to 220 °C.
Roast
Transfer the potatoes to the prepared universal pan, gently press each one with the bottom of a glass or masher until it cracks and flattens. Season with salt and black pepper, then spray generously with oil spray. Place in the preheated Combi Steam oven on shelf level 1 in a compact model or shelf level 2 in a full-size oven. Roast 25–40 minutes, turning once, until edges are deep golden and crispy.
Chickpea Dip
Blend 400 g chickpeas and 3 tbsp kewpi mayo until smooth. Add salt, pepper and lemon juice to taste.
To serve
Place the hot smashed potatoes in a large bowl and add 3 Tbsp of the chimichurri. Gently toss so every potato is lightly coated. Spread the chickpea dip on a serving platter. Pile on the chimichurri-tossed potatoes and drizzle generously with the remaining chimichurri. Serve warm or at room temperature.