Cholesterol & bp. Eat almond, chiken?

My mother is 52 years old. 4 months ago her complained was Head moving. Then She was diagnosed with high bp & high cholesterol. All reports 4 month ago was: *Lipid profile test report ( two months ago) : Triglycerides: 128 Cholesterol: 257 HDL: 66 LDL: 166 Vldl: 25 Total cholesterol/hdl : 3.89 Ldl/Hdl: 2.52 * urea: 14 * serum creatinine: 0.58 *FBs: 96 * TSh: 1.02 * free t4: 1.13 * CBC: all are within normal parameter. Doctor prescribed one medicine for high bp ( now bp is under normal limit) & another medicine like statin for Cholesterol & told continue it. But he did not told any further report of lipid profile. I want to know after how many days can i check again cholesterol level? Can she eat almond, chiken? She is now under oil less diet. Plz advice some diet & test. Now she has no problem, she lives normal & absolutely fine. Plz advice any diet that improve her cholesterol level & overall health. Thank you 🙏