Ratatouille Slab Pie
Ratatouille Slab Pie
Ingredients
1 medium garlic head, top
1/2 inch cut off and discarded
7 1/2 tablespoons olive
oil, divided
2 medium eggplants,
unpeeled, cut into 1/2-inch pieces (about 8 1/2 cups)
3 medium-size yellow
squash, cut into 1/2-inch pieces (about 6 cups)
3 medium zucchini, cut
into 1/2-inch pieces (about 5 cups)
2 tablespoons kosher
salt, divided, plus more to taste
2 3/4 teaspoons black
pepper, divided, plus more to taste
1 large yellow onion,
finely chopped (about 2 1/2 cups)
1 large red or yellow
bell pepper (about 9 ounces), finely chopped (about 1 1/4 cups)
2 (14.5-ounce) cans
petite diced tomatoes, undrained
3 tablespoons chopped
fresh basil
2 teaspoons chopped fresh
thyme
1 teaspoon crushed red
pepper
5 batches All-Purpose
Pie Dough, shaped into 2 squares and chilled
All-purpose flour, for
work surface
1 large egg, beaten
Directions
Place oven racks in top
third and lower third of oven. Place a large baking stone on lower rack; leave
in oven throughout recipe preparation. Preheat oven to 400°F. Drizzle cut side
of garlic head with 1/2 tablespoon oil; wrap tightly in aluminum foil. Bake
garlic in preheated oven on top rack until garlic cloves are softened, about 45
minutes. Unwrap foil, and set garlic aside.
Toss together eggplant,
squash, zucchini, 5 tablespoons oil, 4 teaspoons salt, and 2 teaspoons black
pepper in a large bowl. Divide mixture evenly between 2 rimmed baking sheets,
and spread into a single layer. Place baking sheets on top and bottom oven racks.
Bake at 400°F until vegetables are just tender, 15 to 20 minutes, rotating
baking sheets after 10 minutes. Set aside to let cool 15 minutes.
Heat remaining 2
tablespoons oil in a large Dutch over medium. Add onion, bell pepper, remaining
2 teaspoons salt, and remaining 3/4 teaspoon black pepper; cook, stirring
occasionally, until onion mixture is softened, about 10 minutes. Squeeze
roasted garlic head to release cloves. Add garlic cloves and tomatoes to onion
mixture. Cook, stirring occasionally, until mixture has thickened slightly and
tomato juices have mostly evaporated, about 12 minutes. Remove from heat. Stir
in basil, thyme, crushed red pepper, and roasted vegetables. Season to taste
with salt and black pepper, and let cool completely, about 1 hour.
Unwrap 1 chilled pie
dough square, and place on a lightly floured work surface; roll into a 24- x
16-inch rectangle (about 1/8 inch thick). Fit dough into an 18- x 13-inch
rimmed baking sheet (or half sheet pan), allowing excess dough to hang over
edges. Trim dough overhang to 1 inch; discard scraps. Chill, uncovered, at
least 15 minutes or up to 1 hour.
Unwrap remaining chilled
dough square, and roll into a 24- x 16-inch rectangle. Cut lengthwise into
1-inch-wide strips. Spread vegetable filling in an even layer in chilled pie
shell in baking sheet. Brush edges of dough lightly with some of the beaten egg.
Arrange dough strips in a lattice pattern on top of filling, leaving about 1/2
inch between strips. Trim dough strip overhang to 1 inch, using some of the
trimmed longer strips to complete lattice pattern as needed. Fold bottom dough
overhang and lattice strip overhang under, and gently press together on pan
edges. Freeze pie, uncovered, 20 minutes. Reduce oven temperature to 375°F.
Brush dough lightly with
remaining beaten egg. Bake pie in on bottom oven rack on top of preheated
baking stone until crust is golden brown and filling is bubbly, 1 hour to 1
hour and 15 minutes. Transfer pie to a wire rack. Let cool at least 30 minutes before
slicing. Serve warm or at room temperature.
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