1. Start by mashing the avocado in a bowl. Add the lime juice, a pinch of salt, and black pepper. This little step keeps the avocado bright and flavorful, and I always remind myself not to skip the lime—it makes a huge difference.
2. Mix the cooked chicken with the mayonnaise (or Greek yogurt) in another bowl. This keeps things moist and helps the chicken stick to the bread without falling everywhere. If you’re adding any extras like sliced tomatoes or onions, have those ready to go.
3. Spread half of the avocado mixture evenly over two slices of bread. Then, layer on the chicken mixture over the avocado.
4. Place a slice of cheese on top of the chicken, and if you’re using leafy greens like spinach or arugula, add them now.
5. Top each sandwich with the remaining slices of bread, pressing down gently to hold everything together.
6. Heat a skillet over medium heat and add the olive oil or butter. Once hot, place the sandwiches in the pan.
7. Cook for about 3-4 minutes per side, pressing down lightly with a spatula, until the bread is golden brown and the cheese is melted. Keep an eye on the heat so the bread doesn’t burn—this is where patience pays off.
8. Remove from heat and let the sandwiches rest for a minute before slicing. This little pause helps the cheese set just right and keeps the filling from spilling out.

When I’m making this sandwich for my kids, I sometimes cut it into fun shapes or halves to make it feel special. It’s those small touches that keep me feeling connected to the kitchen, even when the day’s chaos is in full swing.