Open Face Grilled Fava Bean Pita Sandwich

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"Is it just me or does any mention of fava beans instantly take your mind to Hannibal Lecter in Silence of the Lambs? Well, I promise there's no brain being served on the side here, just creamy ricotta, tangy pickled cucumbers and salty crisped prosciutto on a grilled pita along with those delicious buttery beans! "
-- @runningtothekitchen