Heat olive oil in a large skillet over medium heat.
Add the sliced chicken to the skillet and season with salt and pepper.
Cook the chicken for about 5-7 minutes, stirring occasionally, until it is fully cooked and golden brown.
Add minced garlic and thyme to the skillet, stirring for 30 seconds until fragrant.
Incorporate the trimmed green beans into the skillet and mix well.
Cook for an additional 5-7 minutes, stirring occasionally until the green beans are bright and tender.
Squeeze lemon juice over the skillet, stirring to combine, then adjust seasoning if necessary.
Serve warm and enjoy your delicious chicken and green bean skillet!