For the sun in a glass, peel the mango and cut the flesh into pieces. Peel the papaya, cut in half and scrape out the seeds with a tablespoon. Cut the flesh into pieces.
Press papaya and mango pieces to juice (use juicer).
Chop cowslip and pansy flowers and mix into fruit juice. Season the sun in the glass with lemon juice. Divide the juice among glasses.
You can also mix some freshly squeezed orange juice with the sun in the glass.