Heat 1tbsp oil in a large skillet over medium heat. Add the breadcrumbs and toast for 3~5 minutes or until golden brown. Make sure to stir often. Transfer to bowl, stir in almonds and lemon zest.
Wipe out the skillet and add the remaining 1tbsp oil and heat over medium heat. Add brussels sprouts cut side down, cover and lower the heat to medium-low. Cook for 10~12 minutes, or until the brussels sprouts are light brown on cut side.
Uncover, increase the heat to medium-high heat and cook for 3 minutes or until brussels sprouts are dark brown and beginning to smell toasty.
Sprinkle the lemon juice and season with salt & pepper and transfer to serving bowl. Top with breadcrumbs and serve immediately.