where do I deduct my meals covered under the department of transportation: I put it where I thought, but it isn't counting

You will enter it in the Business Expense section under Meals: Department of Transportation 80% limit
 

To get there you will select the following:

1. Business income and expenses
2. I'll choose what I work on
3. Start or update next to Business income and Expenses
4. Edit next to your business profile
5. Start next to Business Expenses
6. Other Common Business Expenses
7. Meals
8. Meals: Department of Transportation 80% limit