Pulse the peanuts in a spice grinder to make smooth mixture. Set aside.
In another bowl, mash the garbanzo benans aside.
Heat butter in a heavy-bottomed pan. Add the cumin, onion and garlic. Sauté for 2-3 minutes till the onions are translucent. Add the arborio rice and sauté for 2-3 minutes.
Add the garam masala and turmeric. Set it aside for 3 minutes.
Add 1/2 cup water, simmer for 2-3 minutes till the water is dissolved.
Add another 1/2 cup water and cook for 4-5 minutes.
Add the final cup of water and let it cook on a medium hit. Switch off the flame.
Add the grated potatoes, mashed garbanzos, chili flakes, salt, cayenne, lemon juice, lemon zest, peanuts, and cilantro. Mix thoroughly.
Transfer to a bowl, cover, and refrigerate for an hour atleast.
Scoop quarter cup of the chilled rice mixture. Make a well in center and stuff the cheese ball inside. Cover and roll into a ball. Repeat with the remaining rice. Keep in a parchment lined tray, cover with a wrap and freeze for 1-2 hours.
Add rice flour to aquafaba and whisk till smooth without any lumps.
Heat oil in a heavy-bottomed pan. Dip each ball in aquafaba, roll in rice flour, dip again in aquafaba.
Drop the balls carefully in hot oil. Deep fry for 4-5 minutes, flipping once till golden brown. Drain the excess oil. Transfer t serving bowl.
Serve with mint chutney or ketchup.