Step 1

Combine egg, sugar, and salt and whisk to combine. Add remaining ingredients and mix till smooth.

Step 2

Heat oil in a deep-fryer or deep, heavy saucepan to 375º.

Step 3

Heat rosette iron in oil for 2 minutes.

Step 4

Drain excess oil from the iron and dip into the batter, ⅞ up the sides of the iron (batter should not run over the top of the iron), then immediately into the hot oil.

Step 5

Fry until golden for 30 seconds or so. Remove to paper towel-lined rack to cool. Gently remove from the iron with the tip of a dinner knife if needed.

Step 6

Repeat by reheating iron in oil for about a minute, then dipping and frying till all batter is used.

Step 7

Dust with powdered sugar to serve.