BLT Sandwich with the Best Sauce

Bahan-bahan (4 porsi)

• 8 slices of bread (cut 1/2” thick)
• 1 1/2 Tbsp unsalted butter (to toast the bread)
• 12 slices bacon (regular sliced*)
• 2 large ripe tomatoes (thickly sliced)
• 4 g reen lettuce leaves (rinsed and spun dry)
• 1 large avocado (or 2 small avocados pitted, peeled and sliced.)
• salt and black pepper (to taste)
• 1/2 cup mayonnaise*
• 2 Tbsp sour cream
• 2 tsp yellow mustard