Step 1

Preheat the oven to 350 degrees Fahrenheit. Line baking sheet with parchment paper.

Step 2

Combine the softened butter, brown sugar, granulated sugar, vanilla, and egg in a large bowl. Beat with an electric mixer on medium speed until smooth.

Step 3

Add in the flour, baking soda, and salt. Mix well. The dough will be a little stiff.

Step 4

Gently stir in the semisweet and milk chocolate chips, pretzels, and toffee bits. Being careful not to overmix the dough.

Step 5

Drop 1/2 cup rounded scoops of dough onto the prepared baking sheet. Cookies should be at least 4 inches apart.

Step 6

Sprinkle each cookie with a touch of sea salt.

Step 7

Bake for 13 to 16 minutes in the preheated oven. When finished, cookies should be golden around the edges, but still soft in the center.

Step 8

Allow cookies to cool on baking sheet for 5 minutes. Then allow them to cool completely on a wire rack.