You will need
pinch of sugar mixed together with a pinch of salt
If the tomatoes are very watery it is a good idea to season the sliced tomatoes and leave them to drain in a colander.
Remove pastry from freezer but only half thaw, it takes about 15 minutes before ready to use.
Adjust oven rack to the middle position and preheat to 200°C.
Roll out pastry to 30 cm square. Transfer the rolled out pastry to baking paper.
Use a saucepan lid ± 30 cm round to cut the pastry into a round shape.
Spread Sun-dried Tomato Pesto over pastry, leaving a 2 cm border all around.
Sprinkle cheese over Pesto layer.
Arrange sliced tomatoes and garlic over cheese.
Season with Garlic & Herb Seasoning and sugar. Drizzle with a little olive oil.
Bring edges of dough up and over filling, overlapping as needed to create about a 2 cm border; brush dough with egg wash. Keep galette on baking paper. Freeze for 20 minutes to chill the pastry.
Bake galette, rotating once, until crust is golden brown and cooked through, 35 – 40 minutes.
Allow to cool on baking paper.
Garnish with fresh basil for serving.