Assemble each crostini with a spread of ricotta and a bit of lemon zest, if using. Sprinkle with feta and place mint and figs on top. Top with more feta and a pinch of salt.
Notes
Vegan version: use sun cheese instead of ricotta, and skip the feta.
Recipe by Love and Lemons at https://www.loveandlemons.com/fig-feta-mint-crostini/