Inclusion Criteria:  Age ≥ 60 years, Community-dwelling, as defined by living at home without staying in long-term care facilities (e.g., nursing home) in the last 12 months as reported by the participants,  Cognitive frailty, as defined by co-existence of mild cognitive impairment and physical frailty,7  Mild cognitive impairment, measured by Montreal Cognitive Assessment (MoCA) score ≤ 25 and Clinical Dementia Rating (CDR) score = 0.5,35,36 and Frailty status from pre-frail to frail, measured by Fried Frailty Phenotype score ≥ 1.37 Poor Mediterranean diet adherence, measured by MDS score < 30.5 (i.e., the mean MDS of community-dwelling older people reported in a local study),20 and Functionally independent on food preparation, as defined by Lawton Instrumental Activity of Daily Living score ≥ 15/18 with the sub-score on Meal Preparation = 2/2.38,39  Exclusion Criteria:  Diagnosed dementia, according to subjects' medical record, or Probable dementia, as defined by MoCA ≤ 18,35,36 Low vision (at least one eye with visual acuity < 20/60) or without corrective lens, because all training are visual-based and blurred vision negatively affects cognitive performance in cognitive training and assessment.40