1. Start by washing the beef thoroughly under running water.
2. Cut the beef into small, bite-sized pieces to ensure even cooking.
3. Peel the carrot using a vegetable peeler and cut it into chunks.
4. Add the beef pieces and carrot chunks into a medium-sized pot.
5. Pour enough water into the pot to cover the beef and carrots.
6. Place the pot on the stove and bring the water to a boil over high heat.
7. Once it starts to boil, reduce the heat to low, cover the pot, and let it simmer for 30 minutes until both the beef and carrot are tender.
8. Check the tenderness by piercing the beef and carrot with a fork; they should easily give way.
9. Remove the pot from the heat and let it cool slightly.
10. Using a slotted spoon, transfer the beef and carrot to a blender. Add a little cooking liquid to help achieve the desired puree consistency.
11. Blend the mixture until smooth. If the puree is too thick, add more cooking liquid gradually until you reach the preferred consistency for your baby.
12. Let the puree cool to an appropriate temperature before serving it to your baby.

Summary:
This Beef and Carrot Puree is a nutritious and easily digestible meal suitable for babies aged 4-10 months. Beef provides essential protein and iron, while carrots offer vitamins and fiber. This combination supports your baby's growth and development.
Storing Options:
- You can store any leftover puree in an airtight container in the refrigerator for up to 2 days.
- Alternatively, freeze portions in ice cube trays. Once frozen, transfer the cubes to a freezer-safe bag and store for up to one month. Thaw individual portions as needed.
Possible Side Effects/Allergies:
- Although beef is generally safe for babies, monitor any allergic reactions such as hives, swelling, or digestive issues.
- Carrots are usually well-tolerated but may cause mild symptoms in some babies, such as gas or digestive discomfort.