Are you talking about orange extract? or cayenne pepper? The post is here: https://ai.google/research/pubs/pub46507 and direct link to paper is here: https://storage.googleapis.com/pub-tools-public-publication-...

And the recipe I found internally is "The Real California Cookie" in that paper:

Bake at 163C (325◦ F) until brown:

• 167 grams of all-purpose flour.

• 245 grams of milk chocolate chips.

• 0.60 tsp. baking soda.

• 0.50 tsp. salt.

• 0.125 tsp. cayenne pepper.

• 127 grams of sugar (31% medium brown, 69% white).

• 25.7 grams of egg.

• 81.3 grams of butter.

• 0.12 tsp. orange extract.

• 0.75 tsp. vanilla extract.