Avocado Terrine

• 4 avocado (peeled)
• 4 ripe tomatoes (plum)
• 3 shrimp per servin
• 2 basil leaves
• 1 basil (fresh garnish)
• 1/2 mixture
• 240 ml whipping cream
• 240 ml whipping cream
• 28 ml cream (heavy)
• 10 ml dijon mustard