Toast the pecans at 350°F for 5-7 minutes until they smell fragrant and lose their raw taste.
Melt butter in a non-stick pan on medium-low heat until it turns brown and smells nutty. Add sugars and whisk on low for 1-2 minutes.
Remove from heat and cool for about 5 minutes. Add egg and yolk, whisking until the mixture is light and smooth.
Add dry ingredients and fold until almost mixed. Refrigerate for 10 minutes.
Make salted caramel pecans by melting caramels and cream in a saucepan. Add salt and coat pecans thoroughly.
Fold chopped chocolate and pecans into the cookie dough. Use a 2" scoop to form 10 balls. Top with chocolate and pecans.
Refrigerate for at least 30 minutes (ideally 2 hours or more).
Preheat oven to 375°F. Place balls on a parchment-lined cookie sheet with 3" space between them.
Bake for 10-12 minutes for soft, gooey cookies.