1: Drug matures thick soups (7)
4: Make money and set out to be serious (7)
6: Perform part of play (3)
8: Exegesis of clue an idiot misunderstood (11)
11: Clean oneself, but in reverse (3)
12: Fit so much in French drink (7)
13: Worthless even when recycled (3)
14: Empty cell on mountain? Most ingenious! (9)
16: Tender translator of runes (5)
18: Abstract art is just one step.(5)
19: Discourage trendy princess's affectation (9)
20: Sort of uninitiated cheat (3)
21: Rear oat variety as a way to break up the soil (7)
23: Encourage horse led with direction. (3)
24: Mend a split state (11)
25: Walesa still embodies how Nobel Laureates soar? (3)
26: With diverse amendments? (7)
27: Leisure centre 6-down, storing one like bricks (7)