Mix the chicken with a little salt, pepper, and lemon juice. Prepare a pan and add olive oil.
Put the chicken into the pan, then cook until both sides turn golden brown. Remove from heat and set aside.
Sauté garlic, onions, carrots, red bell pepper, and green bell pepper until fragrant.
Add sliced mushrooms and stir. Add tomato paste, Italian herbs, and mix well.
Pour in chicken broth, chili flakes, and diced tomatoes. Cook again until the tomatoes slightly wilt.
Add the chicken, salt, and black pepper. Cover the pan and cook until the spices are absorbed.