Prajitura cu ananas rasturnata / pineapple upside down cake

Ingrediente

• 170 g zahar tos
• 200 g unt/margarina
• 200 faina
• 3 oua
• 2 lingurite praf copt
• vf.lingurita sare
• 2 lingurite esenta vanilie
• 6 linguri suc ananas