01 -
In a large bowl or stand mixer with a dough hook, mix lukewarm water, instant yeast, vegetable oil, honey, and salt. Add bread flour and stir to form a cohesive dough.
02 -
Cover the bowl with a tea towel and rest dough for 15 minutes. Perform stretch and folds by lifting and folding dough onto itself, then cover and rest an additional 15 minutes.
03 -
Repeat stretch and fold sequence, cover dough, and let rise for 1 hour until noticeably increased in size.
04 -
Brush 2 tablespoons vegetable oil evenly onto a 9×13-inch metal baking pan. Transfer dough to pan and perform stretch and folds in the pan, then shape into a rough rectangle without fully stretching to fill the pan.
05 -
Cover pan with a large baking sheet or plastic wrap and let dough rise for 1.5 hours until puffy and slightly spread.
06 -
While dough proofs, combine apples, sugar, and lemon juice in a skillet over medium heat. Cook stirring often until juice evaporates and apples soften (~5 minutes). Remove from heat and stir in cinnamon and flour to coat apples.
07 -
Preheat oven to 425°F (do not use convection setting).
08 -
Evenly scatter the cinnamon apples over the dough. Using oiled fingertips, press dimples into dough, gently embedding apples. Drizzle a little vegetable oil on top.
09 -
Bake in preheated oven for 19-23 minutes until deep golden brown.
10 -
In medium bowl, mix icing sugar, corn syrup, salt, and vanilla. In small saucepan, bring water and white sugar to a boil, simmer 1 min. Pour hot syrup into icing mixture and whisk smooth. Cover and set aside.
11 -
Allow focaccia to rest 5 minutes after baking. Pour glaze evenly over top, spreading to cover fully. Let glaze set and bread cool before slicing.