16a - Weekly income from foreign guesthouse (7) ?e?s?o? pension but how?
13d - Good cooking is looking up after good start (10) g???r?n?m? gastronomy but how?
20a - Speck is a soft thing (8) ?a?t?c?e particle but how?
Thanks for some help and an explanation - still learning!
1a double definition - a pension as well as being a weekly income is a French guesthouse
13d good = g + looking up (at the stars) = astronomy
20a soft = p + thing = article