Based on the information:

• You initially had 2 kilograms of flour.
• You used 3 kilograms of flour to make a pie.

However, you only started with 2 kilograms, so making the first pie would not have been possible unless you had an additional kilogram.

If the question is asking, "How many kilograms of flour are needed to make another pie?" and if the second pie follows the same recipe, the answer is:

3 kilograms of flour are needed to make another pie.

Key Points:

1. To make one pie, you require 3 kilograms of flour.
2. You currently have 0 kilograms left (or possibly a deficit if the question assumes you could borrow the extra flour).
3. To make any additional pies, you must acquire more flour.

Let me know if you’d like further clarification or explanations! Here are some related questions to think about:

1. How much more flour is needed to make two additional pies?
2. What adjustments can be made to the recipe to work with a smaller amount of flour?
3. Can pies of smaller sizes be made using less flour per pie?
4. How many pies can you make if you start with 10 kilograms of flour?
5. What percentage of flour is used per pie if you have a fixed amount?

Tip: When planning recipes, always ensure ingredient quantities match the requirements!