In a mixing bowl, add your avocado and mash until smooth. Add the rest of your ingredients and mix until combined.
Toast your four slices of bread. Distribute the avocado spread amongst the four pieces of toast and serve immediately.
TO STORE: Leftover avocado spread can be stored in the refrigerator, covered, for up to 2 days. Any longer, and it will begin to brown and be inedible.TO FREEZE: Place the avocado in a shallow container and store it in the freezer for up to 2 months. Thaw in the refrigerator overnight, and remove excess water before spreading on your toast.