Here's a basic recipe using common ingredients:

Ingredients:

• 4 tablespoons of baking soda
• 2 tablespoons of coconut oil
• 10 drops of peppermint essential oil (or another flavor of your choice)
• Optional: 1-2 teaspoons of xylitol (a natural sweetener) for taste

Instructions:

1. In a bowl, combine baking soda and coconut oil until well mixed. Coconut oil should be in its solid form.
2. Add the peppermint essential oil (or your preferred flavor) and xylitol (if using). Mix well until all the ingredients are thoroughly combined.
3. Transfer the mixture to a clean, airtight container.

Usage:
Use this homemade toothpaste just like you would use any regular toothpaste. Apply a small amount onto your toothbrush and brush your teeth as usual. Rinse your mouth thoroughly after brushing.

Remember, homemade toothpaste may have a different texture and taste compared to commercial ones. It's also important to note that natural toothpaste may not contain fluoride, which is recommended by dental professionals for preventing tooth decay. If you have specific dental concerns or conditions, consult your dentist for personalized advice.