Chipotle Shrimp

• 54 shrimp unshelled
• 18 corn tortillas (thick)
• 4 green onion (chopped)
• 1 lemon juice only
• 1 avocado (sliced)
• 1,900 ml water
• 240 ml ranchero sauce
• 230 gr butter softened
• 40 gr chipotle pepper (canned)
• 8 gr peppercorns (crushed)