I made these cool red choux au craquelin the other day. This isn't a detailed post, but I did want to type this up so I can reference it anytime.
Craquelin Top
35g butter (softened)
25g sugar
35g flour
Drop of red gel food coloring
Choux Dough
30g butter
33g milk
33g water
pinch of salt
40g flour
75g egg
Pastry Cream
250 ml Milk
3 egg yolks
50g sugar
25g flour
(add in flavor)
375F 13-15 minutes
320F 15-17 minutes