Gather the ingredients.
Cut chicken into 1x3-inch strips; dredge in flour.
Heat oil and butter in a 10-inch skillet over medium heat. Add chicken; cook, turning occasionally, until lightly browned, 3 to 4 minutes. Remove chicken with tongs; keep warm.
Add shallots and garlic to skillet; sauté until softened, about 1 minute.
Stir water, wine, bouillon cube, rosemary, salt, and pepper into skillet; cook, stirring frequently, until liquid is reduced by half, 3 to 4 minutes.
Return chicken to skillet; cook until sauce is thickened and chicken is heated through, about 2 to 3 minutes.
