Season the chicken generously with salt and pepper on both sides. Don’t be shy—the flavor starts here.
Heat olive oil in a large skillet over medium-high heat. When it shimmers, add the chicken. Cook 4-5 minutes per side until golden and almost cooked through. Remove to a plate and set aside.
Lower the heat to medium. Add butter and let it melt. Stir in the minced garlic and cook for about 30-45 seconds until fragrant (don’t burn it).
Pour in the chicken broth and lemon juice. Scrape up all the tasty brown bits from the bottom of the pan and bring to a gentle simmer.
Return the chicken to the pan. Spoon the garlic butter sauce over the top and simmer 3-5 minutes until the chicken is cooked through and the sauce thickens slightly.
Finish with parsley and a pinch of red pepper flakes if you want a little kick. Taste and adjust salt if needed. Serve hot, draped in butter-soaked goodness.