Hi I have a question, i hope it doesnt sound s...

Hi I have a question, i hope it doesnt sound silly.. my daughter is 5 1/2 months and i am starting her on farex. When they say to offer 1 teaspoon to start with does it mean: 1 teaspoon of made up farex? OR I it the whole amount that i teaspoon of dry farex makes, mixed with formula? Hope this makes sense.