Crispy Smashed Potatoes With Salmon Caviar

Name: Crispy Smashed Potatoes With Salmon Caviar
Ingredients: 4 oz. thick-cut bacon, cut into ½ pieces; 1½ tsp. plus 1 Tbsp. extra-virgin olive oil; 1 lb. baby Yukon Gold potatoes, scrubbed; Kosher salt, freshly ground pepper; 8 oz. fresh goat cheese; 1 small shallot, finely chopped; 3 Tbsp. whole milk; 2 Tbsp. sour cream; Zest and juice of 1 lemon; 1 Tbsp. finely chopped tender herbs (such as dill, chives, and/or tarragon), plus more for serving; 1 avocado, sliced, cut into 1 pieces; 1 scallion, thinly sliced; 1 1.75-oz. jar salmon caviar, preferably wild and smoked; Extra-virgin olive oil (for drizzling)