If frozen, partially thaw. Berries ... first mixture. The batter will be very thick. Blend ... rim, it is best to grease or oil muffin ... golden brown on top.
Note: The club soda should ... a can works best. Beat the eggs lightly ... make a liquid batter the consistency of pancake batter ... pancakes, depending on size.
Ingredients: 10 (extract .. flour .. hazelnuts .. jam .. milk .. salt ...)