Tropezienne Tarts

PREPARATION

• In a large bowl, stir together 3 ounces flour, the milk, 1 tablespoon sugar, Œ teaspoon yeast, and 1 egg with a fork until combined. Let rest 1 hour, then refrigerate overnight.
• Transfer the batter into the bowl of a stand mixer fitted with the dough hook attachment. Set aside.
• In a large bowl, whisk together the remaining 6 ounces flour, 2 tablespoons sugar, 1Œ teaspoons yeast and the salt until combined. Pour over the top of the existing dough and let rest 2 to 3 hours, until the dry mix starts to look cracked on top.
• Add 2 cold eggs and mix on medium speed until combined, 2 minutes. With the mixer running, add 8 tablespoons butter 1 tablespoon at a time, letting the dough absorb each addition before adding the next tablespoon. When the mixture is combined and the dough is smooth, about 2 minutes, scrape it into a large well-oiled mixing bowl.
• Let rise 2 hours, then cover with plastic wrap, pressing down to push the wrap gently into the dough. Refrigerate the dough at least 2 hours or overnight.
• Line a baking sheet with a silicone mat or parchment paper. Divide the dough into 8 to 10 equal pieces and place them 1 to 2 inches apart. Use your hands to gently flatten the dough, then let rise 1œ hours.
• Preheat the oven to 375 degrees.
• In a small bowl, beat 1 egg. Brush the rolls with the egg wash and sprinkle with the pearl sugar. Bake 10 to 12 minutes, until golden. Let cool completely.
• Meanwhile, in the bowl of a stand mixer, beat together the chocolate hazelnut spread, heavy cream and the remaining 2œ tablespoons butter on high speed until fluffy, adding more cream as needed if the mixture is too stiff.
• Slice the rolls in half and evenly divide the filling among the bottom halves, then top with a few strawberry slices. Replace the top halves and serve.