Dissolve sugar in warm milk in a large bowl.

Sprinkle yeast over the top and let stand for 5 minutes.

Grease a 9x13 inch pan.

Whisk eggs into the yeast mixture.

Combine flour, salt, and cinnamon.

Stir the dry ingredients into the yeast mixture until smooth.

Mix in raisins.

Spread the batter into the prepared pan.

Brush the top with melted butter.

Let rise until doubled in size (avoiding overflow).

Preheat oven to 350 degrees F (175 degrees C).

Prepare the glaze by mixing confectioners' sugar, milk, and vanilla extract in a small bowl until smooth.

Bake for 30 minutes, or until golden brown.

Drizzle with the sugar glaze.

Cool before slicing and serving.