Add the walnuts to a food processor along with the oregano, salt and pepper. Blend to form a crumb.
Step 2
Melt the butter in a small pan and add the crumb, stir well to combine.
Step 3
Line a large ramekin with plastic wrap and tip in the crumb mixture. Press down firmly to form an even layer. Transfer to the fridge for 10 minutes to set.
Step 4
To prepare the cheese layer, finely chop the tomatoes and add to a mixing bowl along with the cream cheese and goats cheese. Mash together until well combined.
Step 5
Remove the base from the fridge and spoon over the cheese layer so that it is even. Return to the fridge for a further 30 minutes to set.
Step 6
Carefully lift the cheesecake out of the ramekin using the plastic wrap and slice to serve.