Blitz poppy seeds in food processor or coffee grinder to finer consistency.

Add ground poppy seeds, honey, milk, sugar, lemon juice and salt to medium saucepan.

Bring to a boil over medium high heat, reduce heat to low, and simmer until thickened, about 15 minutes. Remove from heat, and stir through the vanilla. Set aside to cool.

Use for filling of hamantashen, rugelach, babka or other pastries.