Device for providing a dough sheet provided with a layer of fat, comprising: - A conveyor, such as a conveyor belt, with a conveying surface extending in a longitudinal direction and a transverse direction perpendicular thereto, adapted for displacing goods placed on the conveyor in a conveying direction parallel to the longitudinal direction; - A dough-dispensing device for applying a continuous dough sheet on the conveyor; - A fat dispensing device for applying a layer of fat; wherein - The fat is applied on the dough sheet or the dough sheet is applied on the layer of fat; characterised in that the device further comprises: - At least one measuring device (5, 6) placed above or along the conveyor for the continuous or random measurement of: ∘ the local height of the dough sheet at a dough measurement location; and ∘ the local height of the layer of fat at a fat measurement location; - Processing means for: ∘ Determining a measured height of the dough sheet at a position the longitudinal direction on the dough sheet and a height of the layer of fat at the same position on the dough sheet the longitudinal direction; and ∘ Determining the dough-fat height ratio and thus the dough-fat volume ratio. - A conveyor, such as a conveyor belt, with a conveying surface extending in a longitudinal direction and a transverse direction perpendicular thereto, adapted for displacing goods placed on the conveyor in a conveying direction parallel to the longitudinal direction; - A dough-dispensing device for applying a continuous dough sheet on the conveyor; - A fat dispensing device for applying a layer of fat; wherein - The fat is applied on the dough sheet or the dough sheet is applied on the layer of fat; characterised in that the device further comprises: - At least one measuring device (5, 6) placed above or along the conveyor for the continuous or random measurement of: ∘ the local height of the dough sheet at a dough measurement location; and ∘ the local height of the layer of fat at a fat measurement location; - Processing means for: ∘ Determining a measured height of the dough sheet at a position the longitudinal direction on the dough sheet and a height of the layer of fat at the same position on the dough sheet the longitudinal direction; and ∘ Determining the dough-fat height ratio and thus the dough-fat volume ratio. - The fat is applied on the dough sheet or the dough sheet is applied on the layer of fat; characterised in that the device further comprises: - At least one measuring device (5, 6) placed above or along the conveyor for the continuous or random measurement of: ∘ the local height of the dough sheet at a dough measurement location; and ∘ the local height of the layer of fat at a fat measurement location; - Processing means for: ∘ Determining a measured height of the dough sheet at a position the longitudinal direction on the dough sheet and a height of the layer of fat at the same position on the dough sheet the longitudinal direction; and ∘ Determining the dough-fat height ratio and thus the dough-fat volume ratio. - At least one measuring device (5, 6) placed above or along the conveyor for the continuous or random measurement of: ∘ the local height of the dough sheet at a dough measurement location; and ∘ the local height of the layer of fat at a fat measurement location; ∘ the local height of the dough sheet at a dough measurement location; and ∘ the local height of the layer of fat at a fat measurement location; - Processing means for: ∘ Determining a measured height of the dough sheet at a position the longitudinal direction on the dough sheet and a height of the layer of fat at the same position on the dough sheet the longitudinal direction; and ∘ Determining the dough-fat height ratio and thus the dough-fat volume ratio. ∘ Determining a measured height of the dough sheet at a position the longitudinal direction on the dough sheet and a height of the layer of fat at the same position on the dough sheet the longitudinal direction; and ∘ Determining the dough-fat height ratio and thus the dough-fat volume ratio.