Using the SAUTE mode on instant pot, saute chicken in olive oil until lightly browned. Turn off SAUTE mode and set aside for a minute.
In a small bowl, whisk melted butter, lemon juice, herbs, garlic, chicken broth, and cornstarch until smooth. Pour over chicken and season with salt and pepper. Arrange lemon slices around chicken.
Fasten lid onto instant pot and lock in place. Cook chicken on high pressure 5 minutes then release pressure naturally 5 minutes. Serve chicken hot over rice or noodles and enjoy!