Prize-winning crossword

Seven of the answers in this puzzle can be combined in a particular dish, mentioned in the name of the musical spelled out by the letters in squares 15 to 23

ACROSS

1 Worzel Gummidge, for example (9) 6 Plant with a swollen edible root, boiled or pickled (4) 10 Flowering plants of the iris family, with a name derived from the Latin for sword (8) 11 Rhubarb genus (5) 12 Greek god of love (4) 13 Plates and bowls etc, for a main meal (6,3) 18 Red ___, type of bu erfly (7) 20 Difficult situation or problem (7) 24 Protected away from wind and weather (9) 27 Reflected sound (4) 28 Savoury jelly (5) 30 Long, green-skinned type of gourd (8) 31 Plant related to 5 down (4) 32 Texture of an iceberg 17 down, perhaps (9)

DOWN

2 Plant of the parsley family with edible crunchy stalks (6) 3 Red, pungent edible root (6) 4 Mass of watery vapour in the atmosphere (5) 5 Spring ___, Welsh or Spanish vegetable (5) 7 Female sheep (3) 8 Red pulpy edible fruit (6) 9 Thrift genus (7) 14 Person leading prayers in a mosque (4) 15 Fungal disease affecting apples and potatoes (4) 16 River on which Leeds stands (4) 17 Common name of leafy plant

Lactuca sativa (7) 19 Fruit of a palm tree (4) 21 Make an a ack on (6) 22 ___ of the Guard, a Beefeater (6) 23 Cuts into thin strips (6) 25 Happen repeatedly (5) 26 Cuts into small cubes (5) 29 Pastry dish (3)