Cut the broccoli into small florets. Slice the lemon into rings and halve them. Thinly slice the garlic and remove its core. Chop the anchovy fillets.

Cut the chicken breast in half lengthwise, then slice into bite-sized pieces using a slanted cutting technique. Season with salt and pepper.

Heat olive oil, garlic, and chili in a pan over low heat until fragrant. Add chicken and anchovies, then cook over medium heat until the chicken changes color.