In a bowl, combine diced peaches, brown sugar, cinnamon, and lemon juice. Mix well and set aside.

In a mixing bowl, whisk together flour, baking powder, sugar, and salt.

In another bowl, beat the egg and then add milk and vanilla extract. Mix well.

Combine the wet ingredients with the dry ingredients and mix until just combined.

Heat vegetable oil in a deep fryer to 350°F (175°C).

Using a spoon, drop spoonfuls of batter into the hot oil, adding a few pieces of the peach filling into each fritter.

Fry until golden brown, about 2-3 minutes per side. Remove and drain on paper towels.

Dust the warm fritters with powdered sugar before serving.