Position a rack in the center of the oven and preheat it to 425F. Line a sheet pan with parchment paper.
Halve the eggplant lengthwise. Score the flesh of the eggplant diagonally, then place the halves flesh-side down on the lined sheet pan. Roast the eggplant until the skin is charred and it looks a bit collapsed, 40 to 45
minutes.
While the eggplant is roasting, in a small bowl, whisk together the harissa, soy sauce, Worcestershire sauce, brown sugar, and ⅓ cup water. Set aside.
Set a deep sauté pan over medium heat and add 1 tablespoon olive oil. Pan- fry the bread slices, toasting until golden, 2 to 3 minutes on each side. Remove the bread and add the bread crumbs to the pan, toasting them for 3 to 4 minutes, stirring occasionally so as not to burn. Season with salt and transfer the bread crumbs to a small bowl and carefully wipe out the pan.
When the eggplant is finished roasting, scrape the flesh out of the skin into a bowl (discard the skin and stem). Place the sauté pan back over medium heat and add 1 tablespoon olive oil. Add the eggplant flesh and the harissa mixture and mix everything together with a spatula to coat. Bring the sauce to a simmer and simmer for 5 to 6 minutes to thicken slightly. Remove the pan from the heat. Scatter the bread crumbs evenly
over the eggplant but don't mix them in.
To serve, scoop a generous helping of crumb-topped eggplant onto each slice of bread and spoon over any remaining sauce in the pan. Sprinkle with the chopped dill, chives, and a squeeze of lemon juice (if using) and
serve.
NOTE: You can also add the dill, chives, and lemon to the pan and serve this dip-style as a fun date-night trick.