Chop lettuce and place in a large salad bowl.
Slice 1 cup of the strawberries, avocado, and cheese and mix in with the lettuce.
Sprinkle sunflower seeds over the salad.
Place the remaining strawberries in a juicer, putting the juice in a small bowl.
Add balsamic glaze and sea salt to the strawberry juice, whisking together to combine.
Pour dressing evenly over the salad, tossing to combine.