Chipotle's CEO said to ask for more food. I tested the claim at 3 stores — and got mixed results.

Chipotle's CEO said to ask for more food. I tested the claim at 3 stores — and got mixed results.

I tested Chipotle's portion sizes after its CEO said customers should "just ask" for more food.Katherine Tangalakis-LippertChipotle's CEO went viral this week after saying customers should ask for more food if they want it.I went to three different locations to put his promise of "abundance" to the test.I found that portion sizes — and whether you can get extra add-ons for free — depend on who you ask.The first Chipotle employee I spoke to start…