In large bowl beat butter,sugar and lemonjuice untill light and fluffy. Add flour and almonds; beat at slow speed untill well mixed. cover;refridgerate at least 1 hour for easier handling. Heat oven to 190ºC . Shape a tablespoon full of dough around each chocolate kiss, covering it completly. Roll in hand to form ball. Place on ungreased cookiesheet and bake for 8-12 minutes or until set and the edges are lightly,golden brown. Cool 1 minute, remove from cookiesheet, cool completly. Lightly dust cookies with powdered sugar. In small pan ,melt chocolate chips and shortening;stir until smooth. Drizzle over each cookie!