JellyHead

• Male

• Between 18-35 years old at the day of inclusion

• Able to understand and speak Dutch or English fluently or without difficulty

• BMI 18.5-25 kg/m2

• Good general health and appetite (F1 questionnaire and judge by the subject)

• Eating three meals a day, every day around the same times. (self-report see F1 questionnaire).

• Dental pathologies such as known caries, full dentures or planning to undergo dental treatment during the study

• Difficulties with swallowing, chewing and or eating

• Suffering from an endocrine or eating disorder, gastrointestinal illness or illness of the thyroid gland or diabetes.

• Having taste or smell disorders (self-report)

• Braces (not including a dental wire) or oral piercing

• Smoking

• Consuming on average more than 28 glasses of alcohol per week

• Facial hair not willing to shave (due to facial markers video)

• Use of medication that may influence study outcomes ( see, F1 questionnaire)

• Allergies or intolerance to any ingredient of the model food or ad libitum lunch.

• Not willing to eat the model foods or ad libitum lunch because of eating habits, (religious) believes or vegetarianism.

• Followed an energy restricted diet during the last 2 months

• Gained or lost 5 kg of body weight over the last half year

• High restrained eater according to the Dutch Eating Behaviour Questionnaire (men: score>2.9)*.

• Signed up for participating in another research study (with the exception of the EetMeetWeet study).

• Employee of Human Nutrition (WUR)

• Thesis student or intern at the chair group of Sensory Science and Eating Behaviour Human Nutrition (WUR).